# Best Email Testing Software *By [Yukta Rustagi](https://research.g2.com/insights/author/yukta-rustagi)* Email testing software helps businesses preview and test emails before they are sent to recipients to help build the most effective email campaign and maximize ROI (return on investment). To accomplish this, email testing software provides an editing platform for checking an email for potential issues prior to distribution. Common error inspections include spelling, grammar, formatting, design, and coding. During the testing process, email testing software delivers the email in a simulated SMTP server. Marketing and sales teams utilize email testing software to ensure email campaigns are error-free and optimized for success. In addition to testing, email testing solutions typically provide supplementary email deliverability analytics and audience data. Many email testing solutions offer [A/B testing software](https://www.g2.com/categories/a-b-testing) integration for deeper insights into email campaign comparisons, including subject lines, email content, and link bounce rates. Email testing software pairs well with [email deliverability software](https://www.g2.com/categories/email-deliverability), which dives further into monitoring the reception of an email campaign by measuring the spam rate, open rate, and delete rate of an email campaign. (Email testing software also examines potential spam issues through comprehensive testing via simulated spam filters.) Email testing software can also be integrated with [email marketing software](https://www.g2.com/categories/email-marketing) which streamlines the process of sending bulk email campaigns into one simple platform. To qualify for inclusion in the Email Testing category, a product must: - Provide a preview version of an email to test email design, code, and formatting - Offer spam testing and deliverability testing - Provide an email editing platform - Provide email analytics that measures campaign performance ## Top Email Testing Software at a Glance | # | Product | Rating | Best For | What Users Say | |---|---------|--------|----------|----------------| | 1 | [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) | 4.5/5.0 (2,446 reviews) | Pre-send email testing with deliverability validation | "[Quick, Easy Campaigns with Great Personalisation and Responsive Support](https://www.g2.com/survey_responses/brevo-marketing-platform-review-13116249)" | | 2 | [Intuit Mailchimp Email Marketing](https://www.g2.com/products/intuit-mailchimp-email-marketing/reviews) | 4.3/5.0 (12,672 reviews) | Pre-send email testing with drag-and-drop workflows | "[Easy-to-Use Email Campaigns with Clean Templates and Helpful Performance Tracking](https://www.g2.com/survey_responses/intuit-mailchimp-email-marketing-review-12901603)" | | 3 | [Litmus](https://www.g2.com/products/litmus/reviews) | 4.6/5.0 (445 reviews) | Cross-client email rendering and pre-send QA | "[Litmus Boosts Email Marketing Precision and Efficiency](https://www.g2.com/survey_responses/litmus-review-11823029)" | | 4 | [Mailtrap](https://www.g2.com/products/mailtrap/reviews) | 4.8/5.0 (75 reviews) | Safe transactional email testing across environments | "[Reliable Transactional Email Platform with Great Support](https://www.g2.com/survey_responses/mailtrap-review-12915241)" | | 5 | [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) | 4.8/5.0 (1,011 reviews) | Bulk email list hygiene before outbound campaigns | "[Best email verifier](https://www.g2.com/survey_responses/reoon-email-verifier-review-12205255)" | | 6 | [Campaign Monitor](https://www.g2.com/products/campaign-monitor/reviews) | 4.1/5.0 (708 reviews) | Drag-and-drop email testing with deliverability assurance | "[Campaignmonitor: All-in-One, Easy Drag-and-Drop Email Platform - Perfect for New Starters](https://www.g2.com/survey_responses/campaign-monitor-review-13048696)" | | 7 | [MailerLite](https://www.g2.com/products/mailerlite/reviews) | 4.6/5.0 (1,095 reviews) | Pre-send deliverability testing with drag-and-drop authoring | "[Mailerlite’s MCP Server Makes AI-Driven Campaigns Fast and Easy](https://www.g2.com/survey_responses/mailerlite-review-12723649)" | | 8 | [Mailosaur](https://www.g2.com/products/mailosaur/reviews) | 4.7/5.0 (29 reviews) | OTP and magic-link CI/CD email testing | "[Excellent Email Testing with Mailosaur](https://www.g2.com/survey_responses/mailosaur-review-13056738)" | | 9 | [Twilio SendGrid Email Marketing Campaigns](https://www.g2.com/products/twilio-sendgrid-email-marketing-campaigns/reviews) | 4.0/5.0 (318 reviews) | Deliverability testing with inbox-placement analytics | "[Intuitive UI, Flexible Dynamic Templates, and Strong Reporting](https://www.g2.com/survey_responses/twilio-sendgrid-email-marketing-campaigns-review-12726061)" | | 10 | [Bouncer](https://www.g2.com/products/bouncer/reviews) | 4.8/5.0 (337 reviews) | Bulk email list verification for deliverability protection | "[Does What It Promises and Protects My Deliverability ⭐️⭐️⭐️⭐️⭐️](https://www.g2.com/survey_responses/bouncer-review-12322920)" | ## G2 Grid® for Email Testing Software ![G2 Grid® for Email Testing Software plotting products by satisfaction and market presence](https://www.g2.com/categories/email-testing/grids.png?focus%5B%5D=673&focus%5B%5D=3435&focus%5B%5D=68287&focus%5B%5D=81966&focus%5B%5D=1193954&focus%5B%5D=1621&focus%5B%5D=3696&focus%5B%5D=81959) Highlighted products: Intuit Mailchimp Email Marketing, Brevo Marketing Platform, Litmus, Mailtrap, Reoon Email Verifier, Campaign Monitor, MailerLite, and Mailosaur. Underlying data: [Grid® JSON](https://www.g2.com/categories/email-testing/grids.json?focus%5B%5D=intuit-mailchimp-email-marketing&focus%5B%5D=brevo-marketing-platform&focus%5B%5D=litmus&focus%5B%5D=mailtrap&focus%5B%5D=reoon-email-verifier&focus%5B%5D=campaign-monitor&focus%5B%5D=mailerlite&focus%5B%5D=mailosaur) ## How Many Email Testing Software Products Does G2 Track? **Total Products under this Category:** 50 ### Category Stats (Jul 2026) - **Average Rating**: 4.32/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product**: Mailosaur (+0.52%) - Among all products in this category, Mailosaur recorded the largest rating increase compared to last month *Last updated: July 17, 2026* ## How Does G2 Rank Email Testing Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 22,100+ Authentic Reviews - 50+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. ## Which Email Testing Software Is Best for Your Use Case? - **Leader:** [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) - **Highest Performer:** [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) - **Easiest to Use:** [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) - **Top Trending:** [Mailtrap](https://www.g2.com/products/mailtrap/reviews) - **Best Free Software:** [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) --- **Sponsored** ### Mailgun 150,000+ companies. 400 billion emails a year. 99.99% uptime — backed by SLA Mailgun is the full-stack email infrastructure platform developers and marketers trust to send, test, validate, and improve deliverability at scale. One platform covers the entire email lifecycle: preview and fix rendering issues before you send, clean your lists in real time, fire emails via API at any volume, and surface deliverability problems with AI before they cost you. SOC 2 Type I & II, HIPAA, GDPR, ISO 27001 certified. Trusted by Microsoft, Lyft, and American Express. Part of Sinch, the global leader in cloud communications. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=1786&secure%5Bchosen_at%5D=2026-07-17T12%3A58%3A23Z&secure%5Bdisplayable_resource_id%5D=1786&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=1786&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=2758&secure%5Bresource_id%5D=1786&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Femail-testing&secure%5Btoken%5D=8c5856502fa0eaad221839141d6d61bdbe32456672ea56e0969e4e6a398f3821&secure%5Burl%5D=https%3A%2F%2Fwww.mailgun.com%2Flander%2Fapi-2%2F%3Futm_source%3DG2%26utm_medium%3Dcpc%26utm_content%3D%26utm_term%3D%26utm_campaign%3DGL-26-Mg_G2-PPC&secure%5Burl_type%5D=custom_url) --- ## What Are the Top-Rated Email Testing Software Products in 2026? ### 1. [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) Trusted by over 500,000 businesses worldwide, Brevo (formerly Sendinblue) is the affordable, all-in-one marketing and CRM stack that helps growing businesses scale faster. It's easy to use and suitable for companies of all sizes. Build lasting customer relationships with Brevo's flexible toolkit. Products range from marketing to sales, chat, and transactional emails. Choose what you need — and only pay for what you use. Here are just some of the things you can do with Brevo: - Run multi-channel marketing campaigns across email, WhatsApp, SMS, web push, and Facebook ads - Trigger transactional emails, SMS, and WhatsApp notifications over Brevo SMTP and APIs - Automate marketing activities to deliver the right message at the right time, and efficiently manage your audience - Reduce the number of marketing and sales apps — and get a full view of customer interactions with tools that talk to each other - Engage customers in real-time and reply to FAQs 24/7 with live chat and chatbot - Track leads, automate tasks, and schedule meetings with the Brevo Sales Platform - Connect your e-commerce store to track web sales and use the Retention analysis to improve your marketing strategy. - Talk to customers anytime, anywhere with Brevo’s cloud-based phone system Learn more and start for free at https://www.brevo.com/products/marketing-platform/ Get a custom quote: https://www.brevo.com/plus/contact/ **Average Rating:** 4.5/5.0 **Total Reviews:** 2,446 **How Do G2 Users Rate Brevo Marketing Platform?** - **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 8.4/10) - **Performance:** 9.1/10 (Category avg: 9.0/10) - **Analytics:** 9.0/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Brevo Marketing Platform?** - **Seller:** [Brevo](https://www.g2.com/sellers/brevo) - **Company Website:** https://www.brevo.com/ - **Year Founded:** 2012 - **HQ Location:** Paris - **Twitter:** @brevo_official (16,032 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/brevo/ (898 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** CEO, Founder - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 84% Small-Business, 13% Mid-Market #### What Are Brevo Marketing Platform's Pros and Cons? **Pros:** - Ease of Use (314 reviews) - Features (190 reviews) - Email Marketing (171 reviews) - Easy Setup (168 reviews) - Simple (158 reviews) **Cons:** - Missing Features (107 reviews) - Limited Features (80 reviews) - Limited Customization (71 reviews) - Learning Curve (67 reviews) - Expensive (55 reviews) ### What Do G2 Reviewers Say About Brevo Marketing Platform? *AI-generated summary from verified user reviews* **Pros:** - Users find Brevo Marketing Platform's **ease of use** beneficial, praising its clean design and user-friendly interface. - Users value the **easy scheduling and automation features** of Brevo, enhancing their email marketing efficiency significantly. - Users appreciate the **convenient and efficient email marketing** features of Brevo, making automation and scheduling a breeze. - Users find the **easy setup** of Brevo Marketing Platform essential for managing effective email campaigns effortlessly. - Users appreciate the **simplicity** of Brevo, noting its ease in creating effective marketing campaigns without complexity. **Cons:** - Users find **missing features** in Brevo, particularly with limited template flexibility and insufficient automation options. - Users note the **limited features** in Brevo, particularly in template customization and workflow automation capabilities. - Users find the **limited customization** of Brevo's templates restricts their ability to execute complex marketing tasks effectively. - Users find the **learning curve steep** , as understanding advanced features and back-end processes can be complicated. - Users find Brevo Marketing Platform to be **expensive** , especially with escalating costs for SMS and complex pricing tiers. #### What Are Recent G2 Reviews of Brevo Marketing Platform? **"[Reliable Email Marketing with Brevo: Fast Delivery, Easy UI, and Helpful Support](https://www.g2.com/survey_responses/brevo-marketing-platform-review-13116928)"** **Rating:** 5.0/5.0 stars *— Rahul B.* [Read full review](https://www.g2.com/survey_responses/brevo-marketing-platform-review-13116928) --- **"[Quick, Easy Campaigns with Great Personalisation and Responsive Support](https://www.g2.com/survey_responses/brevo-marketing-platform-review-13116249)"** **Rating:** 5.0/5.0 stars *— Stphen M.* [Read full review](https://www.g2.com/survey_responses/brevo-marketing-platform-review-13116249) --- #### What Are G2 Users Discussing About Brevo Marketing Platform? - [What is Sendinblue used for?](https://www.g2.com/discussions/brevo-marketing-platform-what-is-sendinblue-used-for) - 1 comment, 1 upvote - [Is Sendinblue free?](https://www.g2.com/discussions/is-sendinblue-free) - 6 comments - [What is Sendinblue email?](https://www.g2.com/discussions/what-is-sendinblue-email) - 1 comment - [What is Sendinblue?](https://www.g2.com/discussions/what-is-sendinblue) - 1 comment ### 2. [Intuit Mailchimp Email Marketing](https://www.g2.com/products/intuit-mailchimp-email-marketing/reviews) Intuit Mailchimp - Email Marketing is a dedicated solution designed to help growing businesses connect with their audience and create impactful email campaigns with ease. Trusted by over 11 million businesses globally, Mailchimp provides tools specifically tailored to meet the needs of companies aiming to drive customer engagement, nurture leads, and foster long-term loyalty through email marketing. This platform is particularly beneficial for small to mid-sized businesses that require an effective means of communication with their customers. Mailchimp's email marketing features empower users to build meaningful relationships while achieving measurable results. Whether launching a new product, sharing company updates, or delivering tailored messaging to specific segments of their audience, Mailchimp simplifies the process, allowing businesses to focus on their core activities. Mailchimp Transactional (formerly Mandrill) is an API-first messaging platform built for reliable delivery at scale. Through a single API, businesses can send critical transactional email and SMS alerts — such as order confirmations, password resets, and shipping notifications — with a 99% average delivery rate and 99.99% uptime. With a median delivery speed of less than one second and infrastructure to support up to 157 billion emails per month, Mailchimp Transactional is built to handle volume from startup to enterprise. Developers benefit from comprehensive SDK repositories, quickstarts, ready-made code examples, and clear error-handling patterns, while marketers can manage transactional email templates with an intuitive in-app editor — no engineering rework required. Key features of Mailchimp include customizable email campaigns that utilize beautiful, pre-designed templates alongside an intuitive drag-and-drop editor. This functionality enables users to craft professional emails that resonate with their brand's voice. Additionally, advanced segmentation and personalization capabilities allow businesses to reach the right audience with targeted messages based on behavior, demographics, or purchase history. This level of personalization enhances engagement and improves the overall effectiveness of campaigns. Mailchimp also offers powerful analytics, providing users with detailed reports and insights to track open rates, click-throughs, and other campaign success metrics. This data-driven approach helps businesses refine their strategies and make informed decisions. Furthermore, seamless integrations with over 300 tools, including CRMs and eCommerce platforms, create a cohesive workflow that enhances operational efficiency. Time-saving automations enable users to set up automated email series, ensuring consistent engagement with new subscribers and re-engagement with existing customers through personalized follow-ups. Overall, Intuit Mailchimp - Email Marketing is designed for users who seek intuitive tools without the complexity often associated with larger marketing platforms. By combining powerful email marketing with enterprise-grade transactional messaging infrastructure, Mailchimp helps businesses unify their email strategy — from campaigns to critical notifications — into a single platform that drives growth and operational efficiency. **Average Rating:** 4.3/5.0 **Total Reviews:** 12,672 **How Do G2 Users Rate Intuit Mailchimp Email Marketing?** - **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 8.4/10) - **Performance:** 9.0/10 (Category avg: 9.0/10) - **Analytics:** 8.8/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Intuit Mailchimp Email Marketing?** - **Seller:** [Intuit Mailchimp](https://www.g2.com/sellers/intuit-mailchimp) - **Company Website:** https://mailchimp.com - **Year Founded:** 2001 - **HQ Location:** Atlanta, GA - **Twitter:** @MailChimp (238,536 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/969871/ (1,519 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Owner, Marketing Manager - **Top Industries:** Marketing and Advertising, Non-Profit Organization Management - **Company Size:** 72% Small-Business, 22% Mid-Market #### What Are Intuit Mailchimp Email Marketing's Pros and Cons? **Pros:** - Ease of Use (142 reviews) - Email Marketing (80 reviews) - Features (69 reviews) - Easy Creation (58 reviews) - Templates (55 reviews) **Cons:** - Expensive (45 reviews) - Limited Features (32 reviews) - Learning Curve (31 reviews) - Missing Features (23 reviews) - Limited Customization (22 reviews) ### What Do G2 Reviewers Say About Intuit Mailchimp Email Marketing? *AI-generated summary from verified user reviews* **Pros:** - Users find the **ease of use** in Mailchimp essential for creating effective and visually appealing email campaigns. - Users appreciate the **user-friendly interface** of Intuit Mailchimp Email Marketing, making it ideal for starting email campaigns. - Users appreciate the **user-friendly interface** and **powerful analytics** of Intuit Mailchimp Email Marketing for effective campaigns. - Users love the **easy creation** process with Mailchimp, simplifying email marketing with intuitive templates and tools. - Users love the **great templates** in Intuit Mailchimp, facilitating professional and customized email designs for their brands. **Cons:** - Users find Mailchimp **expensive** as costs rise significantly with growing contact lists and advanced features require higher plans. - Users find Mailchimp's **limited features** hinder experimentation and advanced testing capabilities, impacting effective marketing strategies. - Users find the **learning curve challenging** , especially for advanced features and complex segmentation setups in Mailchimp. - Users find **missing advanced features** and expensive pricing limits growth and customization opportunities on Intuit Mailchimp. - Users find the **limited customization** in Mailchimp restrictive, hindering advanced testing and complex segmentation capabilities. #### What Are Recent G2 Reviews of Intuit Mailchimp Email Marketing? **"[Easy-to-Use Email Campaigns with Clean Templates and Helpful Performance Tracking](https://www.g2.com/survey_responses/intuit-mailchimp-email-marketing-review-12901603)"** **Rating:** 4.5/5.0 stars *— Danielle P.* [Read full review](https://www.g2.com/survey_responses/intuit-mailchimp-email-marketing-review-12901603) --- **"[Tags, Segments, and Send Time Optimization are great](https://www.g2.com/survey_responses/intuit-mailchimp-email-marketing-review-13087637)"** **Rating:** 5.0/5.0 stars *— Jenny F.* [Read full review](https://www.g2.com/survey_responses/intuit-mailchimp-email-marketing-review-13087637) --- #### What Are G2 Users Discussing About Intuit Mailchimp Email Marketing? - [What strategies are marketers finding most effective when using Intuit Mailchimp for targeted email campaigns?](https://www.g2.com/discussions/what-strategies-are-marketers-finding-most-effective-when-using-intuit-mailchimp-for-targeted-email-campaigns) - 3 comments, 1 upvote - [What is Mailchimp Transactional Email (formerly Mandrill) used for?](https://www.g2.com/discussions/what-is-mailchimp-transactional-email-formerly-mandrill-used-for) - 3 comments, 1 upvote - [What is the best alternative to Mailchimp?](https://www.g2.com/discussions/intuit-mailchimp-what-is-the-best-alternative-to-mailchimp) - 9 comments, 1 upvote - [What are the benefits of Mailchimp?](https://www.g2.com/discussions/what-are-the-benefits-of-mailchimp) - 2 comments, 1 upvote - [Does Mailchimp store data?](https://www.g2.com/discussions/does-mailchimp-store-data) - 3 comments, 1 upvote ### 3. [Litmus](https://www.g2.com/products/litmus/reviews) Litmus is the enterprise marketing success platform that gives marketing teams the control, visibility, and confidence to execute high-performing email programs at scale. From pre-send testing to post-send analytics, Litmus eliminates the errors, inefficiencies, and blind spots that cost enterprise senders revenue and reputation. Trusted by marketing teams at the world's leading brands, Litmus integrates into existing enterprise workflows to accelerate production, enforce brand standards, and protect deliverability across every send. Core capabilities: Email previews across 100+ clients and devices. Validate exactly how every email renders in Gmail, Outlook, Apple Mail, on mobile, in dark mode, and across every major environment — before sending to millions of subscribers. Eliminate the rendering errors that damage brand credibility at scale. Automated pre-send QA. Run spam filter testing, link validation, image blocking checks, and accessibility scans within a single workflow. Enterprise teams ship in half the time and with fewer errors when quality checks are built into the process, not bolted on at the end. Deliverability and inbox placement monitoring. Track inbox placement rates by mailbox provider, monitor sender reputation in real time, and blocklist hits or authentication failures. Litmus surfaces the deliverability intelligence your ESP doesn't provide. Sender Certification. Be part of the industry's most trusted allowlist, backed by 24/7 monitoring and exclusive data relationships with mailbox providers worldwide. Certified senders reach the inbox with a level of assurance no other program delivers. Competitive Intelligence. Monitor competitor send volume, frequency, subject line strategies, and inbox placement. Give enterprise marketing teams the benchmarking data they need to make informed strategic decisions and stay ahead of the market. Enterprise collaboration and approvals. Manage multi-stakeholder review cycles inside a single platform. Centralize feedback, enforce approval workflows, and get campaigns through legal, compliance, and brand review without version chaos or scattered email threads. For enterprise organizations ready to scale further, Litmus is the foundation for Validity Engage — an AI-powered email execution platform that orchestrates the full email marketing workflow, from content creation through sending and optimization. Litmus is part of the Validity portfolio, alongside BriteVerify for contact data validation and DemandTools for Salesforce CRM data quality — giving enterprise revenue and marketing teams a connected solution for data integrity, email performance, and program execution. **Average Rating:** 4.6/5.0 **Total Reviews:** 445 **How Do G2 Users Rate Litmus?** - **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 8.4/10) - **Performance:** 8.8/10 (Category avg: 9.0/10) - **Analytics:** 8.6/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Litmus?** - **Seller:** [Validity Inc](https://www.g2.com/sellers/validity-inc) - **Company Website:** https://www.validity.com - **Year Founded:** 2018 - **HQ Location:** Boston, Massachusetts - **Twitter:** @TrustValidity (1,151 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/11679353/ (347 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Email Marketing Manager, Marketing Manager - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 43% Mid-Market, 29% Enterprise #### What Are Litmus's Pros and Cons? **Pros:** - Ease of Use (45 reviews) - Email Management (43 reviews) - Email Marketing (43 reviews) - Previews (29 reviews) - Features (26 reviews) **Cons:** - Slow Performance (11 reviews) - Missing Features (10 reviews) - Email Issues (9 reviews) - Email Management (9 reviews) - Expensive (9 reviews) ### What Do G2 Reviewers Say About Litmus? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **ease of use** in Litmus, highlighting its intuitive interface and streamlined functionality. - Users value the **dynamic previews** of Litmus that enhance email rendering across various devices and clients. - Users commend Litmus for its **user-friendly design and comprehensive email testing capabilities** , which boost productivity and quality. - Users value the **dynamic previews** in Litmus that enhance email rendering visualization across various devices and clients. - Users value the **user-friendly platform** of Litmus, seamlessly managing clients and enhancing email campaign quality. **Cons:** - Users experience **slow performance** with Litmus, particularly with rendering email previews and updating changes. - Users highlight the **missing features** like an undo button and template sharing between sub-accounts as significant drawbacks. - Users express frustration with **email client settings** being inflexible, hindering customization and leading to trust issues with rendering accuracy. - Users find the **email client settings too rigid** , complicating the preview process and limiting flexibility in email management. - Users find the product **expensive** , especially for small teams, with many features locked behind higher pricing tiers. #### What Are Recent G2 Reviews of Litmus? **"[Litmus Boosts Email Marketing Precision and Efficiency](https://www.g2.com/survey_responses/litmus-review-11823029)"** **Rating:** 5.0/5.0 stars *— Grecia L.* [Read full review](https://www.g2.com/survey_responses/litmus-review-11823029) --- **"[Collaboration Made Easy, Minor Pin Issue Aside](https://www.g2.com/survey_responses/litmus-review-11899725)"** **Rating:** 4.0/5.0 stars *— Verified User in Computer Software* [Read full review](https://www.g2.com/survey_responses/litmus-review-11899725) --- #### What Are G2 Users Discussing About Litmus? - [What is Litmus used for?](https://www.g2.com/discussions/what-is-litmus-used-for) - 1 comment - [What is litmus what are its types and uses?](https://www.g2.com/discussions/what-is-litmus-what-are-its-types-and-uses) - 2 comments - [What is litmus email testing?](https://www.g2.com/discussions/what-is-litmus-email-testing) - 1 comment - [How do I use litmus email?](https://www.g2.com/discussions/how-do-i-use-litmus-email) - [What is litmus software?](https://www.g2.com/discussions/what-is-litmus-software) ### 4. [Mailtrap](https://www.g2.com/products/mailtrap/reviews) Mailtrap: Email delivery platform for product-based companies that send at scale. Mailtrap is an email delivery platform built to help product companies ensure fast email delivery and high inboxing rates. It combines three core products: \* Email API/SMTP — reliable RESTful API and SMTP service for sending transactional and bulk emails. \* Email Marketing — to create, schedule, and send impactful promo campaigns that make a difference for you and your customers. \* Email Sandbox — to inspect and debug emails in staging, development, and QA environments with no risk of spamming customers' inboxes. Why go for Mailtrap: \* Fast and reliable email delivery: 99,99% platform uptime, dedicated IPs, throttling, auto warm-up and more to ensure high inboxing rates. \* Actionable analytics: monitor open, click, bounce, and spam rates with helicopter-view dashboards. Access detailed logs and graphs to analyze key email event trends. \* Integrations: Connect via Zapier (7,000+ apps), Make.com, Tabular, or use our API & SDKs for major programming languages. \* 24/7 live support from expert engineers and deliverability specialists, ready to assist you quickly. Trusted by over 150,000 monthly active users, including Yelp, PayPal, Toptal, Atlassian, and Adobe. **Average Rating:** 4.8/5.0 **Total Reviews:** 75 **How Do G2 Users Rate Mailtrap?** - **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 8.4/10) - **Performance:** 8.7/10 (Category avg: 9.0/10) - **Analytics:** 8.7/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 5.3/10 (Category avg: 10/10) **Who Is the Company Behind Mailtrap?** - **Seller:** [Railsware](https://www.g2.com/sellers/railsware) - **Year Founded:** 2007 - **HQ Location:** Kraków - **Twitter:** @railsware (2,116 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/122084/ (177 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** CTO, CEO - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 55% Small-Business, 54% Mid-Market #### What Are Mailtrap's Pros and Cons? **Pros:** - Ease of Use (13 reviews) - Customer Support (10 reviews) - Easy Setup (9 reviews) - Easy Integrations (8 reviews) - Reliability (8 reviews) **Cons:** - Credit Limitations (3 reviews) - Missing Features (3 reviews) - Complexity (2 reviews) - Difficult Navigation (2 reviews) - Email Issues (2 reviews) ### What Do G2 Reviewers Say About Mailtrap? *AI-generated summary from verified user reviews* **Pros:** - Users praise Mailtrap for its **ease of use** , making email management simple and efficient for development and production. - Users commend Mailtrap for its **excellent customer support** , enhancing their overall experience and satisfaction with the service. - Users commend the **easy setup** of Mailtrap, appreciating its simplicity and excellent customer support for seamless integration. - Users value the **easy integrations** with Mailtrap, enhancing their email testing workflows across various development projects. - Users highlight Mailtrap's **exceptional reliability** , consistently praising its seamless performance and excellent support throughout usage. **Cons:** - Users face **storage limitations** on lower plans, needing to upgrade quickly during intensive testing phases. - Users find Mailtrap lacking in **essential features** , including analytics and email marketing, complicating their workflow. - Users find Mailtrap's interface **complicated** at first, as the dashboard can be confusing and overwhelming. - Users find the **difficult navigation** of Mailtrap's API documentation to be challenging during setup and usage. - Users face **email issues** , needing to rely on multiple platforms for essential marketing tasks, complicating their workflow. #### What Are Recent G2 Reviews of Mailtrap? **"[Reliable Transactional Email Platform with Great Support](https://www.g2.com/survey_responses/mailtrap-review-12915241)"** **Rating:** 5.0/5.0 stars *— Hiram L.* [Read full review](https://www.g2.com/survey_responses/mailtrap-review-12915241) --- **"[Impressive, Caring Support That Makes Mailtrap Easy to Recommend](https://www.g2.com/survey_responses/mailtrap-review-12868996)"** **Rating:** 5.0/5.0 stars *— Julián P.* [Read full review](https://www.g2.com/survey_responses/mailtrap-review-12868996) --- ### 5. [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) Reoon email verifier is one of the most accurate email validation services that cleans invalid, temporary & unsafe email addresses. Reoon email verifier can verify the most difficult email domains, including Gmail, Yahoo, Microsoft, AOL and Custom Domains with 99% accuracy. With Reoon Email Verifier you can: 1. Verify emails from Gmail, Yahoo, Microsoft, AOL and other domains. 2. Validate email addresses in bulk without sending any emails. 3. Clean up email lists with great accuracy (99%). 4. Detect dynamically changing temporary/disposable addresses. 5. Significantly reduce the bounce rate of email campaigns. 6. Protect the sender's reputation of the domain and server. 7. Verify users' email live during their registration in 0.5 seconds. 8. Ultra-fast email verification system can verify thousands in minutes. Unique things about Reoon Email Verifier: 1. Can detect soft bounces like storage full or account disabled on Gmail etc. 2. Can detect temporary emails dynamically to catch the latest domains. 3. Can verify the most difficult services like Yahoo, AOL and Microsoft. 4. Quick API Validation can verify emails live within 0.5 seconds. 5. Top-class email verification service at an affordable rate. 6. Top-class customer support that is built for customers. Reoon email verifier is a web-based email verification system and the verifications run on Reoon's server. Users can access and use this from any web browser. Reoon takes data privacy very seriously. Users are fully protected with 30 days refund policy. **Average Rating:** 4.8/5.0 **Total Reviews:** 1,011 **How Do G2 Users Rate Reoon Email Verifier?** - **Has the product been a good partner in doing business?:** 9.6/10 (Category avg: 8.4/10) - **Performance:** 9.1/10 (Category avg: 9.0/10) - **Analytics:** 9.3/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 6.6/10 (Category avg: 10/10) **Who Is the Company Behind Reoon Email Verifier?** - **Seller:** [Reoon Technology](https://www.g2.com/sellers/reoon-technology) - **Company Website:** https://www.reoon.com/ - **Year Founded:** 2018 - **HQ Location:** N/A - **Twitter:** @ReoonTechnology (53 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/reoon/ (4 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Founder, CEO - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 91% Small-Business, 4% Mid-Market #### What Are Reoon Email Verifier's Pros and Cons? **Pros:** - Ease of Use (170 reviews) - Accuracy (165 reviews) - Email Verification (116 reviews) - Speed (104 reviews) - User Interface (90 reviews) **Cons:** - Credit Limitations (34 reviews) - Verification Issues (33 reviews) - Poor Interface Design (29 reviews) - Improvement Needed (27 reviews) - Limited Credits (22 reviews) ### What Do G2 Reviewers Say About Reoon Email Verifier? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **ease of use** of Reoon Email Verifier, facilitating a smooth and efficient setup experience. - Users praise the **accuracy** of Reoon Email Verifier, ensuring reliable results for effective email list management. - Users love Reoon Email Verifier for its **exceptional accuracy** , ensuring clean email lists and enhancing overall email management. - Users highlight the **fast bulk verification** of Reoon Email Verifier, making email list management efficient and straightforward. - Users appreciate the **fast and user-friendly interface** of Reoon Email Verifier, enabling quick and accurate email management. **Cons:** - Users feel that the **credit limitations** are insufficient, wishing for more free credits and a simpler purchasing process. - Users face **verification issues** due to tight daily limits and unclear API setup, making the experience cumbersome at times. - Users find the **interface design lacking** , describing it as outdated and in need of modernization. - Users feel there is **room for UI improvements** to enhance their overall experience with the Reoon Email Verifier. - Users find the **limited daily credits** frustrating, wishing for a system that allows credit accumulation over time. #### What Are Recent G2 Reviews of Reoon Email Verifier? **"[Best email verifier](https://www.g2.com/survey_responses/reoon-email-verifier-review-12205255)"** **Rating:** 4.0/5.0 stars *— Liliana o.* [Read full review](https://www.g2.com/survey_responses/reoon-email-verifier-review-12205255) --- **"[Dependable Email Verification Made Easy](https://www.g2.com/survey_responses/reoon-email-verifier-review-12095347)"** **Rating:** 5.0/5.0 stars *— Verified User in Hospitality* [Read full review](https://www.g2.com/survey_responses/reoon-email-verifier-review-12095347) --- ### 6. [Campaign Monitor](https://www.g2.com/products/campaign-monitor/reviews) Campaign Monitor is a simple yet powerful email marketing solution designed to help users create, manage, and optimize their email campaigns. This tool is tailored for marketers seeking to enhance their communication with subscribers through visually appealing and personalized emails. By focusing on user-friendly features, Campaign Monitor empowers individuals and teams to effectively engage their audience and drive conversions without needing extensive technical skills. This email marketing platform is particularly beneficial for small to medium-sized businesses, non-profits, marketing agencies, IT agencies, and marketing teams that prioritize building strong relationships with their subscribers. With its intuitive interface and robust functionality, Campaign Monitor caters to a diverse range of users, from those just starting in email marketing to seasoned professionals looking for efficient ways to streamline their campaigns. The platform's design is centered around making email marketing accessible, enabling users to focus on crafting compelling messages rather than getting bogged down by technical complexities. Key features of Campaign Monitor include a library of beautiful email templates, a drag-and-drop email builder, and engagement-based segmentation tools. The pre-designed templates allow users to create visually striking emails that reflect their brand identity, while the drag-and-drop builder simplifies the process of customizing layouts and content. This means that even users with minimal design experience can produce professional-quality emails that resonate with their audience. Engagement-based segmentation further enhances the effectiveness of campaigns by allowing marketers to tailor their content based on subscriber behavior and preferences, ensuring that the right message reaches the right audience at the right time. In addition to these features, Campaign Monitor offers comprehensive analytics and reporting tools that provide insights into campaign performance. Users can track open rates, click-through rates, and other key metrics, enabling them to refine their strategies and improve future campaigns. This data-driven approach helps marketers understand what resonates with their audience, allowing for continuous improvement and increased engagement over time. Overall, Campaign Monitor stands out in the email marketing category by combining ease of use with powerful features that facilitate effective communication. Its focus on personalization, design, and analytics makes it a valuable tool for any organization looking to enhance its email marketing efforts and foster lasting relationships with subscribers. **Average Rating:** 4.1/5.0 **Total Reviews:** 708 **How Do G2 Users Rate Campaign Monitor?** - **Has the product been a good partner in doing business?:** 8.6/10 (Category avg: 8.4/10) - **Performance:** 9.2/10 (Category avg: 9.0/10) - **Analytics:** 9.4/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Campaign Monitor?** - **Seller:** [Marigold](https://www.g2.com/sellers/marigold-a8361ce6-777b-44ee-9300-b69d5ed350d6) - **Company Website:** https://meetmarigold.com/ - **Year Founded:** 2017 - **HQ Location:** Nashville, US - **LinkedIn® Page:** https://www.linkedin.com/company/meet-marigold (979 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Marketing Manager, Marketing Specialist - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 55% Small-Business, 32% Mid-Market #### What Are Campaign Monitor's Pros and Cons? **Pros:** - Ease of Use (21 reviews) - User-Friendly (15 reviews) - Easy Setup (13 reviews) - Easy Creation (11 reviews) - Intuitive (11 reviews) **Cons:** - Missing Features (11 reviews) - Email Issues (7 reviews) - Email Management (5 reviews) - Campaign Issues (3 reviews) - Limited Features (3 reviews) ### What Do G2 Reviewers Say About Campaign Monitor? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **user-friendly interface** of Campaign Monitor, making email creation and management effortless and enjoyable. - Users praise Campaign Monitor for its **user-friendly interface** , making email marketing easy and enjoyable without extensive training. - Users value the **easy setup** of Campaign Monitor, allowing for quick navigation and efficient automated campaigns. - Users love the **easy creation** of large-scale campaigns in Campaign Monitor, appreciating its user-friendly interface and support. - Users praise the **intuitive design** of Campaign Monitor, making it easy to navigate and create campaigns effortlessly. **Cons:** - Users report **missing features** , including limited access and difficulties sharing templates, causing inconvenience and stress. - Users experience **email delivery issues** and browser restrictions, leading to frustration and delays in campaign effectiveness. - Users find **email management limitations** frustrating, particularly lacking options for sorting and versioning campaigns effectively. - Users report **campaign issues** such as bugs, delivery delays, and inadequate reporting for transactional emails affecting effectiveness. - Users note **limited features** in Campaign Monitor, especially for advanced automation and list management, impacting larger needs. #### What Are Recent G2 Reviews of Campaign Monitor? **"[Campaignmonitor: All-in-One, Easy Drag-and-Drop Email Platform - Perfect for New Starters](https://www.g2.com/survey_responses/campaign-monitor-review-13048696)"** **Rating:** 5.0/5.0 stars *— Ben E.* [Read full review](https://www.g2.com/survey_responses/campaign-monitor-review-13048696) --- **"[Campaign Monitor: Advanced Segmentation and Intuitive Drag-and-Drop Builder](https://www.g2.com/survey_responses/campaign-monitor-review-13046879)"** **Rating:** 5.0/5.0 stars *— Shelley J.* [Read full review](https://www.g2.com/survey_responses/campaign-monitor-review-13046879) --- #### What Are G2 Users Discussing About Campaign Monitor? - [What is Campaign Monitor used for?](https://www.g2.com/discussions/what-is-campaign-monitor-used-for) - 1 comment - [What is CreateSend?](https://www.g2.com/discussions/what-is-createsend) - [Is Campaign Monitor Free?](https://www.g2.com/discussions/is-campaign-monitor-free) - [How do I use Campaign Monitor?](https://www.g2.com/discussions/how-do-i-use-campaign-monitor) - [Is Campaign Monitor good?](https://www.g2.com/discussions/is-campaign-monitor-good) - 1 comment ### 7. [MailerLite](https://www.g2.com/products/mailerlite/reviews) MailerLite: Advanced email marketing tools. Effortless execution.  MailerLite is an email marketing and automation platform designed to help creators, small businesses, and ecommerce stores grow their audience and boost revenue—quickly, effortlessly and on their terms. Capture leads in style Build on-brand landing pages, websites, forms, and pop-ups that earn subscribers. Choose from over 150+ pixel perfect templates that are fully customizable with an intuitive Drag and drop builder. Or whip up landing pages, copy, and images with some AI magic. 🪄 Monetize your expertise with 0% commission  Sell newsletters, digital products, and 1-1 or group bookings without giving us a cut of your revenue. Kick the "Frankenstein" tech stack to the curb; manage your high-ticket coaching, scheduling, and payments natively in one place. You can even integrate your ecommerce store to track sales and turn subscribers into customers. Automate the client journey Explode engagement with multi-trigger automations and segmentation. With Bookings, you can automate the entire nurture process—from calendar syncing (Google/Outlook) to triggering tailored email sequences the moment a session is booked. Use Deliver by Timezone to ensure your messages land exactly when clients are most likely to open them. Data you can make decisions with  Get full visibility with reports on clicks, opens, and revenue. Nerd out with A/B and multivariate testing on emails and landing pages to find winning combos and improve performance with every test. Try everything MailerLite has to offer with a 14-day free trial. Our award-winning support team is here to help! **Average Rating:** 4.6/5.0 **Total Reviews:** 1,095 **How Do G2 Users Rate MailerLite?** - **Has the product been a good partner in doing business?:** 9.1/10 (Category avg: 8.4/10) - **Performance:** 8.9/10 (Category avg: 9.0/10) - **Analytics:** 8.8/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind MailerLite?** - **Seller:** [MailerLite](https://www.g2.com/sellers/mailerlite) - **Year Founded:** 2010 - **HQ Location:** San Francisco, CA - **Twitter:** @mailerlite (8,748 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/mailerlite-international/ (168 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Owner, CEO - **Top Industries:** Marketing and Advertising, Writing and Editing - **Company Size:** 91% Small-Business, 7% Mid-Market #### What Are MailerLite's Pros and Cons? **Pros:** - Ease of Use (70 reviews) - Customer Support (61 reviews) - Helpful (32 reviews) - Affordable (31 reviews) - Features (30 reviews) **Cons:** - Learning Curve (20 reviews) - Difficulty (17 reviews) - Missing Features (17 reviews) - Poor Customer Support (17 reviews) - Email Issues (15 reviews) ### What Do G2 Reviewers Say About MailerLite? *AI-generated summary from verified user reviews* **Pros:** - Users value the **ease of use** of MailerLite, making it accessible for effective marketing across various brands. - Users love the **fast and supportive customer service** from MailerLite that helps quickly resolve their questions. - Users appreciate the **outstanding customer support** of MailerLite, which significantly enhances their campaign-building experience. - Users praise MailerLite for its **affordable pricing** and generous free plan, making email management accessible and efficient. - Users enjoy the **intuitive features and ease of use** of MailerLite, making it perfect for effective marketing strategies. **Cons:** - Users find the **learning curve steep** , struggling with navigation and usability in MailerLite's new interface. - Users find the **automation and setup processes challenging** , which can delay their overall experience with MailerLite. - Users note the **missing features** in MailerLite, hindering agency optimization and advanced reporting needs. - Users express frustration with **poor customer support** , often finding it difficult to get timely assistance when needed. - Users report **significant email issues** with MailerLite, including bugs and inadequate customer support, impacting their experience. #### What Are Recent G2 Reviews of MailerLite? **"[It strikes the right balance between simplicity and automation](https://www.g2.com/survey_responses/mailerlite-review-13069833)"** **Rating:** 4.5/5.0 stars *— Valeria B.* [Read full review](https://www.g2.com/survey_responses/mailerlite-review-13069833) --- **"[Mailerlite’s MCP Server Makes AI-Driven Campaigns Fast and Easy](https://www.g2.com/survey_responses/mailerlite-review-12723649)"** **Rating:** 4.0/5.0 stars *— Manish C.* [Read full review](https://www.g2.com/survey_responses/mailerlite-review-12723649) --- #### What Are G2 Users Discussing About MailerLite? - [What is MailerLite used for?](https://www.g2.com/discussions/what-is-mailerlite-used-for) - 1 comment - [What is FreshMail used for?](https://www.g2.com/discussions/what-is-freshmail-used-for) - [How does squarespace integrate with MailerLite?](https://www.g2.com/discussions/how-does-squarespace-integrate-with-mailerlite) - [Is MailerLite better than Mailchimp?](https://www.g2.com/discussions/is-mailerlite-better-than-mailchimp) - 2 comments - [Is MailerLite free?](https://www.g2.com/discussions/is-mailerlite-free) - 2 comments ### 8. [Mailosaur](https://www.g2.com/products/mailosaur/reviews) Mailosaur makes it easy to test emails and text messages (SMS) before they reach real customers. Instead of setting up your own mail servers or devices, you can send all test messages to Mailosaur and check exactly what users would see. QA teams use Mailosaur to: - Confirm that messages send when they should (like password resets, sign-ups, and account changes). - Test multi-factor authentication (MFA) and one-time passcodes (OTP) to make sure users can always log in securely. - Check links, images, and attachments work correctly. - Verify content and designs look right across different devices. - Automate message checks as part of their normal testing process. With Mailosaur, you can spend less time fighting with test environments and more time making sure your product works the way it should. **Average Rating:** 4.7/5.0 **Total Reviews:** 29 **How Do G2 Users Rate Mailosaur?** - **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 8.4/10) - **Performance:** 6.7/10 (Category avg: 9.0/10) - **Analytics:** 8.3/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 5.8/10 (Category avg: 10/10) **Who Is the Company Behind Mailosaur?** - **Seller:** [Mailosaur](https://www.g2.com/sellers/mailosaur) - **Company Website:** https://mailosaur.com - **Year Founded:** 2013 - **HQ Location:** Basingstoke, Hampshire - **Twitter:** @mailosaur (185 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/mailosaur/ (12 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Computer Software - **Company Size:** 45% Small-Business, 21% Mid-Market #### What Are Mailosaur's Pros and Cons? **Pros:** - Ease of Use (9 reviews) - Time-saving (5 reviews) - Automation (4 reviews) - Intuitive Design (4 reviews) - Reliability (4 reviews) **Cons:** - Expensive (6 reviews) - Pricing Issues (3 reviews) - Limited Features (2 reviews) - Low Limits (2 reviews) - Poor UI (2 reviews) ### What Do G2 Reviewers Say About Mailosaur? *AI-generated summary from verified user reviews* **Pros:** - Users highlight the **intuitive interface** of Mailosaur, making testing smoother and integration incredibly quick. - Users appreciate the **time-saving capabilities** of Mailosaur, enhancing workflow efficiency and accelerating testing processes. - Users value the **automation capabilities** of Mailosaur, which simplify email and SMS testing for development and QA teams. - Users value the **intuitive design** of Mailosaur, making testing smooth and integration with existing systems effortless. - Users commend the **reliable access to test emails** that enhances their email testing experience seamlessly and efficiently. **Cons:** - Users feel that Mailosaur's **pricing is steep** for smaller teams, limiting accessibility and value for side projects. - Users find Mailosaur’s **pricing issues** challenging, particularly for smaller teams or projects with limited testing needs. - Users are frustrated with **limited features** , including restricted message retention and insufficient API documentation for advanced use. - Users express frustration over **low limits** which hinder their testing needs and affordability options. - Users find the **UI challenging** to navigate, although improvements have been noted in recent updates. #### What Are Recent G2 Reviews of Mailosaur? **"[Excellent Email Testing with Mailosaur](https://www.g2.com/survey_responses/mailosaur-review-13056738)"** **Rating:** 5.0/5.0 stars *— Enrique A.* [Read full review](https://www.g2.com/survey_responses/mailosaur-review-13056738) --- **"[Flawless OTP and Magic Link Testing with Smooth CI/CD Integration](https://www.g2.com/survey_responses/mailosaur-review-12845634)"** **Rating:** 5.0/5.0 stars *— Verified User in Information Technology and Services* [Read full review](https://www.g2.com/survey_responses/mailosaur-review-12845634) --- #### What Are G2 Users Discussing About Mailosaur? - [What is Mailosaur used for?](https://www.g2.com/discussions/what-is-mailosaur-used-for) ### 9. [Twilio SendGrid Email Marketing Campaigns](https://www.g2.com/products/twilio-sendgrid-email-marketing-campaigns/reviews) Simplify the way that you drive customers engagement and achieve your business goals with SendGrid Marketing Campaigns! Enjoy powerful, yet straightforward segmentation, flexible and frustration-free campaign editing, and industry-leading deliverability—all powered by the leading email service provider trusted by over [80,000 customers](https://sendgrid.com/customers/?extID=128039&channel=sponsorship&camp=review-sites&pub=g2crowd&place=profile&creative=mc&utm_medium=sponsorship&utm_source=g2crowd) globally, including Airbnb, Spotify and Uber. We help marketers like you send with confidence by providing: :: MORE EFFICIENT EMAIL BUILDING Our campaign building process is free from frustrating, rigid step-by-step wizards that slow you down. Choose-your-path editing options save you time, whether you prefer code, design or a mix of both. The result? More time to focus on what matters most to your marketing goals. :: EASY, HIGH-IMPACT SEGMENTATION & PERSONALIZATION Sending relevant, personalized email that drives results is easier than ever. Our intuitive, clean UI makes it clear who you’re targeting, and personalizing campaign subject lines and content is as easy as dreaming up the custom fields you want to import. :: INTUITIVE, IMPACTFUL EMAIL TESTING Make smart, data-driven decisions without getting lost in data overload. We bring the most important campaign stats front and center so you can quickly gauge performance and iterate When it’s time to dig deeper, take advantage of robust email activity data, inbox and geography insights and more. :: PROVEN DELIVERABILITY & SCALE Choosing Marketing Campaigns means choosing the proven scale, deliverability and expertise of SendGrid. Getting your messages to the inbox is at the core of everything we do; it’s why we’re trusted by today’s fastest growing brands. Upgrade to 24/7 support and expert services to bring your email program to new heights. **Average Rating:** 4.0/5.0 **Total Reviews:** 318 **How Do G2 Users Rate Twilio SendGrid Email Marketing Campaigns?** - **Has the product been a good partner in doing business?:** 8.2/10 (Category avg: 8.4/10) - **Performance:** 8.5/10 (Category avg: 9.0/10) - **Analytics:** 8.3/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Twilio SendGrid Email Marketing Campaigns?** - **Seller:** [Twilio](https://www.g2.com/sellers/twilio) - **Year Founded:** 2008 - **HQ Location:** San Francisco, CA - **Twitter:** @twilio (81,644 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/twilio-inc-/ (6,678 employees on LinkedIn®) - **Ownership:** NYSE: TWLO **Who Uses This Product?** - **Who Uses This:** Marketing Manager, CEO - **Top Industries:** Information Technology and Services, Marketing and Advertising - **Company Size:** 66% Small-Business, 26% Mid-Market #### What Are Twilio SendGrid Email Marketing Campaigns's Pros and Cons? **Pros:** - Ease of Use (9 reviews) - Easy Creation (6 reviews) - Email Campaigns (6 reviews) - Email Marketing (6 reviews) - Intuitive (4 reviews) **Cons:** - Missing Features (4 reviews) - Email Functionality (3 reviews) - Expensive (3 reviews) - Limited Features (3 reviews) - Unclear Information (3 reviews) ### What Do G2 Reviewers Say About Twilio SendGrid Email Marketing Campaigns? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **intuitive dashboard** of Twilio SendGrid, facilitating a simple and efficient email campaign creation process. - Users appreciate the **easy creation** of email campaigns with Twilio SendGrid, thanks to its intuitive dashboard and templates. - Users love the **intuitive dashboard** of Twilio SendGrid, making email campaign management simple and effective. - Users value the **intuitive and user-friendly interface** of Twilio SendGrid, simplifying campaign creation and management. - Users value the **intuitive dashboard** of Twilio SendGrid, finding it easy to use and effective for email campaigns. **Cons:** - Users find Twilio SendGrid Email Marketing Campaigns lacking **critical features and flexibility** , leading to a complicated and frustrating experience. - Users find the **email functionality lacking** due to limited features, inconvenient dashboards, and mobile design issues. - Users find Twilio SendGrid Email Marketing Campaigns to be **expensive** , with costs escalating over time for small businesses. - Users find the **limited features** of Twilio SendGrid insufficient for advanced marketing needs and automation complexities. - Users find the **unclear information** and convoluted processes of Twilio SendGrid frustrating and detrimental to user experience. #### What Are Recent G2 Reviews of Twilio SendGrid Email Marketing Campaigns? **"[Intuitive UI, Flexible Dynamic Templates, and Strong Reporting](https://www.g2.com/survey_responses/twilio-sendgrid-email-marketing-campaigns-review-12726061)"** **Rating:** 5.0/5.0 stars *— Cristian N.* [Read full review](https://www.g2.com/survey_responses/twilio-sendgrid-email-marketing-campaigns-review-12726061) --- **"[Boosts Campaign Efficiency for Small Teams](https://www.g2.com/survey_responses/twilio-sendgrid-email-marketing-campaigns-review-12703430)"** **Rating:** 4.0/5.0 stars *— Caroline T.* [Read full review](https://www.g2.com/survey_responses/twilio-sendgrid-email-marketing-campaigns-review-12703430) --- #### What Are G2 Users Discussing About Twilio SendGrid Email Marketing Campaigns? - [What is Twilio SendGrid Email Marketing Campaigns used for?](https://www.g2.com/discussions/what-is-twilio-sendgrid-email-marketing-campaigns-used-for) - 1 upvote ### 10. [Bouncer](https://www.g2.com/products/bouncer/reviews) Bouncer - The easiest to use, yet the most powerful E-mail Validation and deliverability Service. Today, Bouncer goes far beyond email verification. From validating email addresses and protecting signup forms to continuously cleaning customer databases and monitoring deliverability, Bouncer helps businesses keep their data accurate and their emails landing in the inbox. Bouncer is a technological leader in email verification, delivering industry-leading coverage, exceptional accuracy, and high performance. Our platform verifies up to 200,000 email addresses per hour per customer, backed by a zero-downtime policy. Alongside list and API verification, Bouncer also offers: • AutoClean – automatically verifies new and updated contacts in connected platforms like HubSpot, Klaviyo, Brevo, and User.com, keeping your database clean without manual work. • Bouncer Shield – protects online forms in real time by blocking invalid, disposable, malicious, and fraudulent email addresses before they enter your database. • Toxicity Check – identifies risky email addresses, including spam traps, breached accounts, complainers, litigators, and other potentially harmful contacts. • Deliverability Kit – helps monitor inbox placement, email authentication, DNS records, blacklists, and overall domain health. • Integrations with leading CRM, Marketing Automation, Email Marketing, and Sales platforms. Why choose Bouncer? Industry-leading accuracy Our verification engine is built with a strong bias against false negatives, helping you keep legitimate contacts instead of rejecting them unnecessarily. Best-in-class coverage Verify email addresses hosted by virtually any provider, including deep catch-all verification for Google Workspace and Microsoft 365, while maintaining one of the industry's lowest unknown rates (typically 0.3–3%). High performance Verify up to 200,000 email addresses per hour with generous API rate limits and enterprise-ready infrastructure. Secure and reliable Bouncer is GDPR compliant by design, operates from EU-based infrastructure, anonymizes submitted email addresses throughout the verification process, and follows a strict zero-downtime policy. Powerful, yet simple Enterprise-grade technology with an intuitive interface that anyone can start using within minutes. Features Email Verification Upload lists of up to 250,000 email addresses or connect through the API to identify valid, invalid, disposable, role-based, and catch-all addresses before sending. Bounce Estimate Estimate your expected bounce rate before launching a campaign. Using proprietary algorithms, Bouncer analyzes your list and predicts how many emails may bounce, helping you make smarter sending decisions. Free Email Verification Sampling Test the quality of your email list before spending credits. Bouncer analyzes a representative sample and tells you whether your database needs cleaning. AutoClean Keep your CRM and marketing platform clean automatically. Every new or updated email address can be verified in the background, eliminating manual exports while protecting your sender reputation. Bouncer Shield Stop bad data before it enters your systems. Shield validates email addresses in real time and blocks invalid, disposable, malicious, or fraudulent submissions on your forms. Toxicity Check Identify toxic email addresses that could negatively affect your sender reputation, including spam traps, breached accounts, complainers, litigators, and widely circulated addresses. Deliverability Kit Monitor your email infrastructure with inbox placement tests, authentication checks, blacklist monitoring, and instant alerts when issues arise. Email Verification API Integrate Bouncer into your own applications with a fast, secure, and scalable API supporting both synchronous and asynchronous verification. Data Security Bouncer is GDPR compliant by design. All submitted email addresses are anonymized throughout the verification process, data is stored in EU-based data centers, and verification results are automatically removed after 60 days or sooner upon request. This is Bouncer - helping businesses collect better email data, maintain healthier databases, and reach more inboxes. **Average Rating:** 4.8/5.0 **Total Reviews:** 337 **How Do G2 Users Rate Bouncer?** - **Has the product been a good partner in doing business?:** 9.7/10 (Category avg: 8.4/10) - **Performance:** 9.1/10 (Category avg: 9.0/10) - **Analytics:** 9.2/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 6.1/10 (Category avg: 10/10) **Who Is the Company Behind Bouncer?** - **Seller:** [Bouncer Sp. z o.o.](https://www.g2.com/sellers/bouncer-sp-z-o-o) - **Year Founded:** 2017 - **HQ Location:** Wroclaw, Lower Silesian District - **Twitter:** @UseBouncer (182 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/27014469/ (73 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** CEO, Founder - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 85% Small-Business, 9% Mid-Market #### What Are Bouncer's Pros and Cons? **Pros:** - Ease of Use (53 reviews) - Accuracy (52 reviews) - User Interface (27 reviews) - Email Verification (26 reviews) - Reliability (25 reviews) **Cons:** - Expensive (15 reviews) - Verification Issues (13 reviews) - Email Issues (9 reviews) - Improvement Needed (5 reviews) - Cost Concerns (4 reviews) ### What Do G2 Reviewers Say About Bouncer? *AI-generated summary from verified user reviews* **Pros:** - Users find Bouncer to be **easy to use** , appreciating the simple UI and effective email verification process. - Users value the **accuracy** of Bouncer, finding it essential for effective email marketing and data management. - Users love the **easy-to-use interface** of Bouncer, which effectively filters and cleans email lists. - Users value the **accurate email verification** from Bouncer, enhancing campaign effectiveness with reliable results and user-friendly tools. - Users appreciate Bouncer's **reliability** , ensuring high deliverability rates and maintaining a safe mailing list experience. **Cons:** - Users find Bouncer to be **expensive** , with a high cost per email and concerns about credit usage. - Users note a **5% increase in unknown results** in certain verification methods but find it manageable. - Users notice **email verification limitations** in Bouncer, with some servers accepting unverifiable emails, leading to confusion. - Users feel that **improvements are needed** in support options, details of verification results, and integration capabilities. - Users mention the **high costs** associated with Bouncer, cautioning about managing credits efficiently. #### What Are Recent G2 Reviews of Bouncer? **"[Does What It Promises and Protects My Deliverability ⭐️⭐️⭐️⭐️⭐️](https://www.g2.com/survey_responses/bouncer-review-12322920)"** **Rating:** 5.0/5.0 stars *— Cindie B.* [Read full review](https://www.g2.com/survey_responses/bouncer-review-12322920) --- **"[Outstanding Support and Clear Data Protection: Bouncer is a great service](https://www.g2.com/survey_responses/bouncer-review-13035139)"** **Rating:** 5.0/5.0 stars *— Verified User in Printing* [Read full review](https://www.g2.com/survey_responses/bouncer-review-13035139) --- #### What Are G2 Users Discussing About Bouncer? - [What is Bouncer used for?](https://www.g2.com/discussions/what-is-bouncer-used-for) - 1 comment ### 11. [Email on Acid](https://www.g2.com/products/email-on-acid/reviews) As the industry leader in email preparation, Email on Acid offers the world's most comprehensive and flexible automated email pre-deployment platform. Developers, marketers, and enterprise organizations deliver email perfection, achieve efficiencies, improve marketing ROI, and protect brand reputation. Co-founded in 2009 by industry thought leader John Thies, Email on Acid was born out of a desire to make email marketing better for everyone. To learn more, visit emailonacid.com. **Average Rating:** 4.5/5.0 **Total Reviews:** 43 **How Do G2 Users Rate Email on Acid?** - **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 8.4/10) - **Performance:** 8.5/10 (Category avg: 9.0/10) - **Analytics:** 9.3/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Email on Acid?** - **Seller:** [Sinch](https://www.g2.com/sellers/sinch) - **Year Founded:** 2008 - **HQ Location:** Stockholm, Sweden - **Twitter:** @wearesinch (3,648 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/sinch (4,371 employees on LinkedIn®) - **Ownership:** SINCH.ST **Who Uses This Product?** - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 47% Mid-Market, 40% Small-Business #### What Are Recent G2 Reviews of Email on Acid? **"[Hard to do effective email marketing without this!](https://www.g2.com/survey_responses/email-on-acid-review-8615407)"** **Rating:** 5.0/5.0 stars *— Jeff L.* [Read full review](https://www.g2.com/survey_responses/email-on-acid-review-8615407) --- **"[Essential Email Testing with Seamless Previews](https://www.g2.com/survey_responses/email-on-acid-review-12702542)"** **Rating:** 4.5/5.0 stars *— Adarsh P.* [Read full review](https://www.g2.com/survey_responses/email-on-acid-review-12702542) --- #### What Are G2 Users Discussing About Email on Acid? - [What is Email on Acid used for?](https://www.g2.com/discussions/what-is-email-on-acid-used-for) - [What does Email on Acid do?](https://www.g2.com/discussions/what-does-email-on-acid-do) - [How do I test an HTML email in Outlook?](https://www.g2.com/discussions/how-do-i-test-an-html-email-in-outlook) - [How do you check an email newsletter?](https://www.g2.com/discussions/how-do-you-check-an-email-newsletter) - [What is litmus email?](https://www.g2.com/discussions/what-is-litmus-email) ### 12. [Emma](https://www.g2.com/products/emma/reviews) Emma is a powerful email marketing platform designed to help organizations automate and personalize campaigns while maintaining brand consistency across teams, locations, and departments. Built with an intuitive interface, Emma enables marketers, especially in higher education, nonprofits, franchises, and growing businesses, to create high-impact engagement with minimal effort. Seamlessly integrating with existing tech stacks, Emma ensures every campaign stays consistent, compliant, and on-brand through robust controls, flexible user permissions, and reliable integrations. Backed by over 20 years of combined expertise, the Emma team supports customers at every stage with on-demand training, guided tutorials, and strategic insights—empowering teams to streamline workflows, maximize value, and drive stronger results. **Average Rating:** 4.0/5.0 **Total Reviews:** 537 **How Do G2 Users Rate Emma?** - **Has the product been a good partner in doing business?:** 8.3/10 (Category avg: 8.4/10) - **Performance:** 8.1/10 (Category avg: 9.0/10) - **Analytics:** 7.5/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Emma?** - **Seller:** [Marigold](https://www.g2.com/sellers/marigold-a8361ce6-777b-44ee-9300-b69d5ed350d6) - **Company Website:** https://meetmarigold.com/ - **Year Founded:** 2017 - **HQ Location:** Nashville, US - **LinkedIn® Page:** https://www.linkedin.com/company/meet-marigold (979 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Marketing Director, Marketing Coordinator - **Top Industries:** Marketing and Advertising, Higher Education - **Company Size:** 49% Small-Business, 36% Mid-Market #### What Are Emma's Pros and Cons? **Pros:** - Ease of Use (8 reviews) - Easy Creation (5 reviews) - Email Marketing (5 reviews) - Helpful (5 reviews) - Simple (5 reviews) **Cons:** - Limited Features (5 reviews) - Missing Features (5 reviews) - Template Limitations (4 reviews) - Expensive (3 reviews) - Limitations (3 reviews) ### What Do G2 Reviewers Say About Emma? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **ease of use** of Emma, citing its user-friendly interface and straightforward setup. - Users appreciate the **easy creation** feature of Emma, enabling effortless professional campaigns for non-experts with intuitive tools. - Users appreciate the **intuitive design and powerful automation** of Emma, making email marketing campaigns easy and efficient. - Users appreciate the **intuitive design and robust segmentation tools** of Emma, enabling effortless campaign creation and delivery. - Users appreciate the **simple operation** of Emma, enhancing efficiency in managing and automating email campaigns. **Cons:** - Users find Emma's **limited features** restrictive, lacking advanced analytics, customization, and automation capabilities. - Users find the **missing features** in Emma, such as custom dashboards and advanced automation, frustrating and limiting. - Users find the **template limitations** in Emma restrictive, impacting their ability to customize effectively for their needs. - Users find the **pricing too high** , making it less accessible for small businesses and budget-conscious users. - Users find **limitations in reporting depth and integration flexibility** with Emma, hindering advanced analytics and workflow efficiency. #### What Are Recent G2 Reviews of Emma? **"[Streamlined Partner Messaging with Subaccounts, Templates and Consistent Branding](https://www.g2.com/survey_responses/emma-review-12627740)"** **Rating:** 5.0/5.0 stars *— Carolyn S.* [Read full review](https://www.g2.com/survey_responses/emma-review-12627740) --- **"[Easy Template Creation and Customization](https://www.g2.com/survey_responses/emma-review-12700919)"** **Rating:** 4.5/5.0 stars *— Bailey F.* [Read full review](https://www.g2.com/survey_responses/emma-review-12700919) --- #### What Are G2 Users Discussing About Emma? - [Who owns Emma Inc?](https://www.g2.com/discussions/who-owns-emma-inc) - [How much does Emma cost?](https://www.g2.com/discussions/how-much-does-emma-cost) - [What is Emma Email Marketing?](https://www.g2.com/discussions/what-is-emma-email-marketing) - [What is my Emma?](https://www.g2.com/discussions/what-is-my-emma) ### 13. [AWeber](https://www.g2.com/products/aweber/reviews) AWeber is an email marketing platform built for small business owners, coaches, affiliate marketers, and online retailers. It includes intuitive tools for email automation, landing page creation, and AI-generated emails to help you grow your audience and drive more sales—without needing tech skills. With built-in AI writing tools, you can generate emails, subject lines, and newsletters in your unique voice, so you never start from scratch. Automations keep your campaigns running in the background, while best-in-class deliverability ensures your messages reach the inbox. Whether you're selling products, sharing content, or building a community, AWeber helps you stay consistent and top-of-mind with your audience. Trusted by over 1,000,000 businesses for more than 25 years, AWeber combines industry experience with continuous innovation to help you save time, simplify your marketing, and grow your business. **Average Rating:** 4.2/5.0 **Total Reviews:** 616 **How Do G2 Users Rate AWeber?** - **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 8.4/10) - **Performance:** 9.2/10 (Category avg: 9.0/10) - **Analytics:** 9.6/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind AWeber?** - **Seller:** [AWeber](https://www.g2.com/sellers/aweber) - **Year Founded:** 1998 - **HQ Location:** Chalfont, PA - **Twitter:** @AWeber (29,687 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/245955/ (87 employees on LinkedIn®) - **Phone:** +1 (877) 293-2371 **Who Uses This Product?** - **Who Uses This:** Owner, CEO - **Top Industries:** Marketing and Advertising, Health, Wellness and Fitness - **Company Size:** 83% Small-Business, 13% Mid-Market #### What Are AWeber's Pros and Cons? **Pros:** - Ease of Use (10 reviews) - Email Marketing (7 reviews) - Easy Setup (6 reviews) - Email Management (6 reviews) - Simple (6 reviews) **Cons:** - Limited Features (5 reviews) - Missing Features (5 reviews) - Expensive (4 reviews) - Limited Templates (4 reviews) - Learning Curve (3 reviews) ### What Do G2 Reviewers Say About AWeber? *AI-generated summary from verified user reviews* **Pros:** - Users value the **ease of use** of AWeber, benefiting from intuitive design and helpful resources like tutorials and webinars. - Users appreciate AWeber's **ease of use** , enjoying automated tasks and efficient email distribution. - Users value the **easy setup** of AWeber, making email marketing and workflow management a breeze. - Users value AWeber's **ease of use** and efficient email automation, simplifying their marketing tasks effectively. - Users love AWeber for its **simplicity and reliability** , making audience engagement and workflow setup effortless. **Cons:** - Users face **limited features** with AWeber, finding templates and customization options restrictive for personalized campaigns. - Users express frustration over **missing features** , including limitations on free plans and lack of detailed reporting. - Users find AWeber's pricing **quite steep** , especially when more affordable alternatives with better features are available. - Users notice that AWeber offers **limited templates** , making it challenging to create unique and personalized campaigns. - Users find the **learning curve steep** with AWeber due to its complex navigation and numerous options. #### What Are Recent G2 Reviews of AWeber? **"[Simple Yet Effective Email Marketing Solution](https://www.g2.com/survey_responses/aweber-review-12630043)"** **Rating:** 4.5/5.0 stars *— Rahul H.* [Read full review](https://www.g2.com/survey_responses/aweber-review-12630043) --- **"[AWeber: Easy, Reliable Email Marketing with Fast Campaign Setup](https://www.g2.com/survey_responses/aweber-review-12581437)"** **Rating:** 4.5/5.0 stars *— Taiba B.* [Read full review](https://www.g2.com/survey_responses/aweber-review-12581437) --- #### What Are G2 Users Discussing About AWeber? - [What is AWeber used for?](https://www.g2.com/discussions/what-is-aweber-used-for) ### 14. [Everest](https://www.g2.com/products/validity-inc-everest/reviews) Everest is a fully integrated email success platform providing crucial insights and deliverability guidance so you can reach more people, increase engagement, and improve efficiencies of your email program. Improve your email deliverability by getting complete visibility into your email marketing metrics and sender reputation, understand your audience and deliver content that is timely, personalized, and functions flawlessly on any device, and get a holistic view of your email program with the insights, guidance, and exclusive data you need at your fingertips – all in a single platform. Everest is built by the combined forces of Return Path, BriteVerify, and 250ok. Bringing together 20+ years of email marketing experience and continuous learning from thousands of customers into this unified and powerful platform. **Average Rating:** 4.2/5.0 **Total Reviews:** 185 **How Do G2 Users Rate Everest?** - **Has the product been a good partner in doing business?:** 8.3/10 (Category avg: 8.4/10) - **Performance:** 8.9/10 (Category avg: 9.0/10) - **Analytics:** 8.9/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Everest?** - **Seller:** [Validity Inc](https://www.g2.com/sellers/validity-inc) - **Company Website:** https://www.validity.com - **Year Founded:** 2018 - **HQ Location:** Boston, Massachusetts - **Twitter:** @TrustValidity (1,151 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/11679353/ (347 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Marketing Manager - **Top Industries:** Marketing and Advertising, Information Technology and Services - **Company Size:** 41% Mid-Market, 34% Small-Business #### What Are Everest's Pros and Cons? **Pros:** - Ease of Use (7 reviews) - Helpful (5 reviews) - Dashboard Features (3 reviews) - Deliverability Improvement (3 reviews) - Design Ease (3 reviews) **Cons:** - Expensive (2 reviews) - Change Adaptation (1 reviews) - Complexity (1 reviews) - Complex Setup (1 reviews) - Dashboard Issues (1 reviews) ### What Do G2 Reviewers Say About Everest? *AI-generated summary from verified user reviews* **Pros:** - Users praise the **ease of use** of Everest, appreciating its flexibility and intuitive design for managing workflows. - Users value the **effective email deliverability** of Everest, ensuring campaigns reach inboxes without getting lost as spam. - Users commend the **detailed yet intuitive dashboards** of Everest, enhancing their email campaign management experience. - Users appreciate the **high rate of email deliverability** with Everest, ensuring successful inbox placements for campaigns. - Users appreciate the **flexible design** of Everest, effortlessly organizing tasks and customizing workflows with ease. **Cons:** - Users find the **price steep** and desire more meaningful updates to justify the cost of Everest. - Users find the **transition from other platforms complicated** due to Everest's extensive features and setup requirements. - Users find the **setup and transition process complicated** due to the abundance of features offered by Everest. - Users find the **setup process complicated** , especially when transitioning from other platforms due to the extensive features. - Users experience **dashboard navigation challenges** , leading to difficulties in finding the desired data efficiently. #### What Are Recent G2 Reviews of Everest? **"[Keep everything organized!](https://www.g2.com/survey_responses/everest-review-11679502)"** **Rating:** 4.0/5.0 stars *— Antonio H.* [Read full review](https://www.g2.com/survey_responses/everest-review-11679502) --- **"[Great Email Tool That Helps Solve Spam Problems](https://www.g2.com/survey_responses/everest-review-10361050)"** **Rating:** 4.0/5.0 stars *— Verified User in Information Technology and Services* [Read full review](https://www.g2.com/survey_responses/everest-review-10361050) --- ### 15. [GlockApps](https://www.g2.com/products/glockapps/reviews) GlockApps is an all-in-one platform designed to help businesses solve email deliverability and security issues. It provides tools to track inbox placement, monitor authentication and domain health, detect blocklist issues, and analyze content performance in one place. The suite includes four key tools: Inbox Insight Test and optimize your email deliverability before sending: • See where your emails land across Gmail, Outlook, and major ISPs; • Check spam scores from Google, Barracuda, SpamAssassin, and others; • Review email authentication and domain/IP reputation; • Analyze content and HTML compatibility; • Receive action steps to fix issues and boost inbox placement. https://glockapps.com/spam-testing/ DMARC Analyzer Protect your domain and gain full visibility into email authentication: • Prevent phishing and spoofing with DMARC enforcement; • Verify emails with SPF and DKIM to ensure legitimacy; • Detect unauthorized senders and suspicious activity; • View DMARC reports in a clear, visual format; • Manage unlimited domains and organize them into groups; • Get white label PDF weekly and monthly DMARC digests with full visibility of your sending history; • Simplify DMARC compliance with automated monitoring. https://glockapps.com/dmarc-analyzer/ Uptime Monitor Stay in control of your website and email infrastructure with uptime monitoring: • Get instant alerts when something goes offline or underperforms; • Scan your sending IPs across 30+ major blacklists automatically; • Continuously track SPF, DKIM, and DMARC records for issues; • Choose how you’re notified (email, Slack, or Telegram); • Monitor TLS and TCP ports to ensure secure mail flow; • Detect website outages instantly with HTTP checks; • Run checks as often as every minute; • Define custom thresholds to catch degraded performance early; • Verify results from multiple locations to avoid false positives. https://glockapps.com/uptime-blacklist-monitor/ Consulting Services Personalized deliverability guidance from GlockApps experts: • Start with a free 20-minute call to explore your goals and challenges. • Get expert advice to improve your email deliverability and performance. • Receive personalized recommendations for better inbox placement. • Improve open rates, CTR, and sales by optimizing your email deliverability • Access a recording of your consultation for future reference. https://glockapps.com/email-deliverability-consulting/ **Average Rating:** 4.1/5.0 **Total Reviews:** 26 **How Do G2 Users Rate GlockApps?** - **Has the product been a good partner in doing business?:** 5.7/10 (Category avg: 8.4/10) - **Performance:** 8.6/10 (Category avg: 9.0/10) - **Analytics:** 8.8/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind GlockApps?** - **Seller:** [G-Lock Software](https://www.g2.com/sellers/g-lock-software) - **Year Founded:** 2009 - **HQ Location:** Wyoming, USA - **LinkedIn® Page:** https://www.linkedin.com/company/g-lock-software (24 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Marketing and Advertising - **Company Size:** 65% Small-Business, 27% Mid-Market #### What Are GlockApps's Pros and Cons? **Pros:** - Ease of Use (6 reviews) - Detailed Analysis (5 reviews) - Accuracy (4 reviews) - Deliverability Improvement (3 reviews) - Deliverability Performance (3 reviews) **Cons:** - Difficult Learning (1 reviews) - Inadequate Reporting (1 reviews) - Lack of Features (1 reviews) - Payment Issues (1 reviews) - Verification Issues (1 reviews) ### What Do G2 Reviewers Say About GlockApps? *AI-generated summary from verified user reviews* **Pros:** - Users value the **user-friendly interface** of GlockApps, making deliverability insights easily understandable for everyone. - Users love the **detailed analysis** provided by GlockApps, making it easy to understand deliverability issues and improve strategies. - Users value the **accuracy** of GlockApps, enjoying precise insights on email deliverability without overwhelming complexity. - Users value the **clear and insightful deliverability improvement** provided by GlockApps, making email performance easy to understand. - Users appreciate the **clarity of deliverability insights** from GlockApps, making email testing easy and stress-free. **Cons:** - Users highlight a **difficult learning curve** initially, which is typical for complex platforms like GlockApps. - Users find the **inadequate reporting** of GlockApps unhelpful, especially regarding unusable DMARC action steps. - Users wish for **email rendering tests** in GlockApps, as they require additional tools for comprehensive email assessments. - Users feel the **payment issues** regarding ID and bank statement requests invade privacy unnecessarily for software purchases. - Users are concerned about the **verification issues** , finding requests for personal documents intrusive and unnecessary. #### What Are Recent G2 Reviews of GlockApps? **"[A deliverability tool that helps to understand what’s going on](https://www.g2.com/survey_responses/glockapps-review-12093910)"** **Rating:** 4.0/5.0 stars *— Abdullah J.* [Read full review](https://www.g2.com/survey_responses/glockapps-review-12093910) --- **"[GlockApps makes deliverability less confusing](https://www.g2.com/survey_responses/glockapps-review-12390558)"** **Rating:** 4.5/5.0 stars *— Aysha .* [Read full review](https://www.g2.com/survey_responses/glockapps-review-12390558) --- #### What Are G2 Users Discussing About GlockApps? - [What is Mailwarm?](https://www.g2.com/discussions/what-is-mailwarm) - [Is Glock apps legit?](https://www.g2.com/discussions/is-glock-apps-legit) - [What is GlockApps?](https://www.g2.com/discussions/what-is-glockapps) - [How does GlockApps work?](https://www.g2.com/discussions/how-does-glockapps-work) ### 16. [Inbox Monster](https://www.g2.com/products/inbox-monster/reviews) Inbox Monster helps email teams send epic messages to every inbox. With creative rendering and deliverability tools, you can find your email rawwwr. Expert Services: Truth: You need an expert by your side. Sending email is a lot. And the rules are constantly changing. That’s why having proactive support to help you make it to the inbox is just worth it. For your sanity and bottom line. Creative Suite: Creative testing, with a glow up. We’re doing email testing a little different. There’s a new way to test out your email creative. Get previews of your emails, plus killer diagnostics to help you get closer to perfect. So you can send with confidence. Not sweaty palms. Deliverability Suite: Don’t be a spammer. Like, ever. Deliver more from your email program. More emails in the inbox. More revenue from your program. More kudos from your boss. Get the new way to dig into all aspects of your email deliverability. SMS Suite: Reach the phone obsessed. (So, everyone.) Flawless delivery for the small screen. Are your text campaigns landing with your audience? Monitor performance across carriers in the U.S. and Canada, with the first view of SMS deliverability and rendering. **Average Rating:** 4.9/5.0 **Total Reviews:** 52 **How Do G2 Users Rate Inbox Monster?** - **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 8.4/10) - **Performance:** 9.6/10 (Category avg: 9.0/10) - **Analytics:** 9.6/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 5.5/10 (Category avg: 10/10) **Who Is the Company Behind Inbox Monster?** - **Seller:** [Inbox Monster](https://www.g2.com/sellers/inbox-monster) - **Company Website:** https://inboxmonster.com/ - **HQ Location:** CHARLOTTE, North Carolina - **Twitter:** @inboxmonsters (56 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/71257463 (29 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Financial Services, Marketing and Advertising - **Company Size:** 50% Mid-Market, 37% Enterprise #### What Are Inbox Monster's Pros and Cons? **Pros:** - Ease of Use (11 reviews) - Customer Support (10 reviews) - Deliverability Improvement (8 reviews) - Helpful (8 reviews) - Reliability (8 reviews) **Cons:** - Outdated Data (3 reviews) - Difficult Setup (2 reviews) - Expensive (2 reviews) - Inaccurate Data (2 reviews) - Learning Curve (2 reviews) ### What Do G2 Reviewers Say About Inbox Monster? *AI-generated summary from verified user reviews* **Pros:** - Users find Inbox Monster's **ease of use** beneficial, enabling quick onboarding and effective deliverability monitoring. - Users commend the **exceptional customer support** of Inbox Monster, noting its helpfulness and proactive assistance in resolving issues. - Users commend Inbox Monster for its **deliverability improvement** , significantly enhancing sender reputation and inbox placement rates. - Users value the **exceptional customer support** and proactive assistance that enhances their experience with Inbox Monster. - Users praise the **reliability** of Inbox Monster, highlighting excellent support and significant improvements in email deliverability. **Cons:** - Users experience **outdated data** in Inbox Monster, leading to confusion and missed opportunities for actionable insights. - Users find the **difficult setup** of Inbox Monster challenging, especially when managing multiple journeys and analyses. - Users find Inbox Monster **expensive** compared to other platforms, feeling the additional costs detract from its overall value. - Users find the **inaccurate data** from Inbox Monster challenging, impacting their ability to act on information effectively. - Users experience a **learning curve** with Inbox Monster's UI, needing time to understand and utilize all features. #### What Are Recent G2 Reviews of Inbox Monster? **"[Josie Makes Inbox Monster Feel Like an Extension of Our Team](https://www.g2.com/survey_responses/inbox-monster-review-13108044)"** **Rating:** 5.0/5.0 stars *— Jennifer N.* [Read full review](https://www.g2.com/survey_responses/inbox-monster-review-13108044) --- **"[World-Class Deliverability Support Backed by a Powerful Platform](https://www.g2.com/survey_responses/inbox-monster-review-12884615)"** **Rating:** 4.5/5.0 stars *— Steve D.* [Read full review](https://www.g2.com/survey_responses/inbox-monster-review-12884615) --- ### 17. [Mailinator](https://www.g2.com/products/mailinator/reviews) Email and SMS Workflow Testing Mailinator allows Developers and QA Testing teams to automatically test their SMS and Email workflows like 2FA verifications, sign-ups, and password resets with trillions of inboxes at your fingertips. Whether you do Manual Testing, use an API, or a framework like Selenium, Cypress, Playwright, or Puppeteer - Mailinator will close the loop on email/SMS testing. **Average Rating:** 4.6/5.0 **Total Reviews:** 11 **How Do G2 Users Rate Mailinator?** - **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 8.4/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Mailinator?** - **Seller:** [Mailinator](https://www.g2.com/sellers/mailinator) - **Year Founded:** 2000 - **HQ Location:** United States - **Twitter:** @mailinator (953 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/manybrain-llc/ (6 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Information Technology and Services - **Company Size:** 50% Mid-Market, 25% Enterprise #### What Are Mailinator's Pros and Cons? **Pros:** - Automation (1 reviews) - Chrome Extension (1 reviews) - Ease of Use (1 reviews) - Easy Setup (1 reviews) - Employee Search (1 reviews) **Cons:** - Missing Information (1 reviews) - Slow Loading (1 reviews) - Slow Processing (1 reviews) ### What Do G2 Reviewers Say About Mailinator? *AI-generated summary from verified user reviews* **Pros:** - Users enjoy Mailinator's **lovely API for automating E2E tests** , making email verification seamless and efficient. - Users love the **efficient API** for automating E2E tests of email verification with Mailinator. - Users found Mailinator to have a **user-friendly interface** , simplifying email management and testing processes. - Users appreciate the **easy setup** of Mailinator, allowing seamless integration into various software for testing purposes. - Users love the **API for automating email verification** , streamlining their end-to-end testing processes effectively. **Cons:** - Users face challenges due to **missing information** like To and From email labels without clear answers. - Users experience **slow loading** times with Mailinator, particularly with delays in receiving mail in the Private Inbox. - Users experience **slow processing** with delayed email reception in Mailinator's Private Inbox, impacting overall efficiency. #### What Are Recent G2 Reviews of Mailinator? **"[A one-stop simple software solution to test SMS and Email workflows for Devs and QA.](https://www.g2.com/survey_responses/mailinator-review-8861746)"** **Rating:** 4.5/5.0 stars *— Sai C.* [Read full review](https://www.g2.com/survey_responses/mailinator-review-8861746) --- **"[Reliable workhorse for QA email testing — backed by a support team that actually cares](https://www.g2.com/survey_responses/mailinator-review-12760601)"** **Rating:** 5.0/5.0 stars *— Atul K.* [Read full review](https://www.g2.com/survey_responses/mailinator-review-12760601) --- #### What Are G2 Users Discussing About Mailinator? - [Is Mailinator safe?](https://www.g2.com/discussions/mailinator-is-mailinator-safe) - [Is Mailinator safe?](https://www.g2.com/discussions/is-mailinator-safe) - [Does Mailinator support attachments?](https://www.g2.com/discussions/mailinator-does-mailinator-support-attachments) - [Does Mailinator support attachments?](https://www.g2.com/discussions/does-mailinator-support-attachments) - [Whats is Mailinator?](https://www.g2.com/discussions/mailinator-whats-is-mailinator) ### 18. [MailUp](https://www.g2.com/products/mailup/reviews) MailUp is a simple and scalable solution to create, automate and customize Email, SMS, and Messaging Apps marketing campaigns. Trusted by 10,000+ customers worldwide, it offers advanced automation features and best-of-breed technology for your marketing strategies. A complete solution for multichannel marketing needs: newsletters, transactional emails, subscription forms, landing pages, promotions, SMS, Messaging Apps (Facebook Messenger and Telegram), and much more! Try its drag & drop email builder, integrate your marketing stack, create automated multichannel workflows in a matter of seconds and monitor your campaign performances through in-depth reports. Italian by birth, international by vocation. Established in 2003, over the years MailUp has grown to become the market leader in Italy and to operate in over 50 countries, with 5 branches worldwide. Over 10,000 companies across the globe trust MailUp as a strategic partner for their Digital Marketing activities. MailUp offers the best infrastructure and international certifications to ensure maximum deliverability to your messages. Its powerful messaging platform is complemented by a range of tools to help your day-to-day marketing campaigns run smoothly. Its teams at the technology hubs in Cremona (Italy) and Silicon Valley are at the forefront of flexible, scalable, integrated software development. **Average Rating:** 3.7/5.0 **Total Reviews:** 41 **How Do G2 Users Rate MailUp?** - **Has the product been a good partner in doing business?:** 6.4/10 (Category avg: 8.4/10) - **Performance:** 9.2/10 (Category avg: 9.0/10) - **Analytics:** 6.7/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind MailUp?** - **Seller:** [Mailup](https://www.g2.com/sellers/mailup) - **Year Founded:** 2003 - **HQ Location:** Milan, Italy - **Twitter:** @MailUp_US (880 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/154096/ (67 employees on LinkedIn®) - **Ownership:** BIT:MAIL **Who Uses This Product?** - **Top Industries:** Marketing and Advertising, Internet - **Company Size:** 51% Small-Business, 40% Mid-Market #### What Are Recent G2 Reviews of MailUp? **"[A really useful digital product for email and sms marketing](https://www.g2.com/survey_responses/mailup-review-5151102)"** **Rating:** 5.0/5.0 stars *— Davide F.* [Read full review](https://www.g2.com/survey_responses/mailup-review-5151102) --- **"[Good support and tech](https://www.g2.com/survey_responses/mailup-review-6670240)"** **Rating:** 5.0/5.0 stars *— Mauricio D.* [Read full review](https://www.g2.com/survey_responses/mailup-review-6670240) --- #### What Are G2 Users Discussing About MailUp? - [What is MailUp used for?](https://www.g2.com/discussions/what-is-mailup-used-for) ### 19. [PreviewMyEmail](https://www.g2.com/products/previewmyemail/reviews) Get real screenshots of your email in all popular email applications in a minute. We know the importance of email marketing but more importantly, we know the importance of doing email marketing in the right way. An email content properly designed may cause your email marketing campaign to fail. **Average Rating:** 3.9/5.0 **Total Reviews:** 10 **How Do G2 Users Rate PreviewMyEmail?** - **Has the product been a good partner in doing business?:** 6.7/10 (Category avg: 8.4/10) - **Performance:** 9.2/10 (Category avg: 9.0/10) - **Analytics:** 7.5/10 (Category avg: 8.8/10) **Who Is the Company Behind PreviewMyEmail?** - **Seller:** [PreviewMyEmail](https://www.g2.com/sellers/previewmyemail) - **HQ Location:** N/A - **Twitter:** @previewmyemail (104 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 80% Small-Business, 20% Mid-Market #### What Are Recent G2 Reviews of PreviewMyEmail? **"[Using PreviewMyEmail is a fantastic way to pique interest.](https://www.g2.com/survey_responses/previewmyemail-review-7711630)"** **Rating:** 5.0/5.0 stars *— Jitendra Bhilala 1.* [Read full review](https://www.g2.com/survey_responses/previewmyemail-review-7711630) --- **"[PreviewMyEmail helps me alot in my mailing field](https://www.g2.com/survey_responses/previewmyemail-review-7522906)"** **Rating:** 4.5/5.0 stars *— Shoib A.* [Read full review](https://www.g2.com/survey_responses/previewmyemail-review-7522906) --- ### 20. [Folderly](https://www.g2.com/products/folderly/reviews) Folderly is an Email Deliverability solution that offers a comprehensive approach to ensuring flawless email deliverability. Locate, solve, and prevent email deliverability pitfalls, and ensure your emails reach the Inbox folder. Never again let your emails be part of the 51% of all business emails that never reach the inbox. Make every email count, bringing in revenue and business opportunities. **Average Rating:** 4.8/5.0 **Total Reviews:** 100 **How Do G2 Users Rate Folderly?** - **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 8.4/10) - **Performance:** 9.3/10 (Category avg: 9.0/10) - **Analytics:** 9.6/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Folderly?** - **Seller:** [Folderly](https://www.g2.com/sellers/folderly) - **Year Founded:** 2019 - **HQ Location:** Dover, Delaware - **Twitter:** @Folderlycom (99 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/folderly/ (23 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** CEO, Marketing Manager - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 68% Small-Business, 30% Mid-Market #### What Are Folderly's Pros and Cons? **Pros:** - Customer Support (3 reviews) - Ease of Use (3 reviews) - Deliverability Improvement (2 reviews) - Platform Quality (2 reviews) - Setup Ease (2 reviews) **Cons:** - Dashboard Issues (1 reviews) - Email Issues (1 reviews) - Inaccuracy (1 reviews) - Limited Templates (1 reviews) - Outdated Data (1 reviews) ### What Do G2 Reviewers Say About Folderly? *AI-generated summary from verified user reviews* **Pros:** - Users commend the **responsive and knowledgeable customer support** of Folderly, making implementation and maintenance seamless. - Users find Folderly incredibly **easy to use** , highlighting its intuitive design and quick setup for email deliverability. - Users appreciate the **exceptional deliverability improvement** provided by Folderly, achieving high inbox placement rates for business emails. - Users commend the **intuitive platform design** of Folderly, ensuring a smooth and quick implementation experience. - Users find the **setup ease** of Folderly exceptional, with smooth implementation and fast onboarding processes. **Cons:** - Users report **dashboard issues** with inconsistent SPF results, leading to confusion and mistrust in the data provided. - Users report **email issues** , citing discrepancies between Folderly’s results and other reliable tools, raising concerns about accuracy. - Users notice **inaccuracy in reports** from Folderly, causing confusion and mistrust in its performance evaluations. - Users find the **limited templates** to be an area needing refinement for a smoother overall experience. - Users report **outdated data** in Folderly's reports, leading to confusion and mistrust of the service's accuracy. #### What Are Recent G2 Reviews of Folderly? **"[Effortlessly Improved Our Email Deliverability](https://www.g2.com/survey_responses/folderly-review-12972232)"** **Rating:** 5.0/5.0 stars *— Dan M.* [Read full review](https://www.g2.com/survey_responses/folderly-review-12972232) --- **"[Intuitive Design, Outstanding Support, and Better Email Deliverability with Folderly](https://www.g2.com/survey_responses/folderly-review-12387128)"** **Rating:** 5.0/5.0 stars *— Verified User in Consulting* [Read full review](https://www.g2.com/survey_responses/folderly-review-12387128) --- #### What Are G2 Users Discussing About Folderly? - [How has Folderly improved your email deliverability, and what advice would you give to new users?](https://www.g2.com/discussions/how-has-folderly-improved-your-email-deliverability-and-what-advice-would-you-give-to-new-users) - [What is Folderly used for?](https://www.g2.com/discussions/what-is-folderly-used-for) - 1 comment ### 21. [Unspam.email](https://www.g2.com/products/unspam-email/reviews) Unspam.email helps email marketers, email deliverability consultants, agencies, eCommerce and SaaS teams maximize email performance by ensuring messages land in the inbox, not the spam folder. With powerful email deliverability testing, email design previews, AI assistant and spam filter checks, Unspam.email gives you actionable insights before you hit send. **Average Rating:** 4.8/5.0 **Total Reviews:** 14 **How Do G2 Users Rate Unspam.email?** - **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 8.4/10) - **Performance:** 10.0/10 (Category avg: 9.0/10) - **Analytics:** 9.7/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 1.3/10 (Category avg: 10/10) **Who Is the Company Behind Unspam.email?** - **Seller:** [Unspam.email](https://www.g2.com/sellers/unspam-email) - **Year Founded:** 2020 - **HQ Location:** New York, US - **Twitter:** @Unspamemail (82 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/unspam/ (1 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 80% Small-Business, 7% Mid-Market #### What Are Unspam.email's Pros and Cons? **Pros:** - Accuracy (8 reviews) - Ease of Use (6 reviews) - Detailed Analysis (3 reviews) - Features (3 reviews) - Positive Results (3 reviews) **Cons:** - Credit Limitations (2 reviews) - Slow Performance (2 reviews) - Difficult Learning (1 reviews) - Difficult Setup (1 reviews) - Email Integration (1 reviews) ### What Do G2 Reviewers Say About Unspam.email? *AI-generated summary from verified user reviews* **Pros:** - Users value the **accuracy** of Unspam.email, which enhances email deliverability and helps identify issues effectively. - Users praise the **ease of use** of Unspam.email, seamlessly integrating it into their workflow without hassle. - Users value the **clear and actionable insights** from Unspam.email, enhancing email deliverability and campaign effectiveness. - Users value the **practical AI functionality** and straightforward email verifier for enhancing their email deliverability. - Users value the **practical deliverability insights** of Unspam.email, enhancing campaign effectiveness and maximizing email conversions. **Cons:** - Users find the **limited email processing on the free tier** somewhat restrictive for their needs. - Users experience **slow performance** with Unspam.email, particularly when loading pages and switching between test results. - Users find the **difficult learning** curve challenging due to the complex requirement of entering a message ID. - Users find the **difficult setup** of Unspam.email frustrating, especially for testing deliverability with certain marketing tools. - Users find **email integration challenging** due to difficulties in testing deliverability with various marketing email suites. #### What Are Recent G2 Reviews of Unspam.email? **"[Essential Deliverability Insights That Maximize Email Campaign Success](https://www.g2.com/survey_responses/unspam-email-review-11946760)"** **Rating:** 5.0/5.0 stars *— Roman Frank .* [Read full review](https://www.g2.com/survey_responses/unspam-email-review-11946760) --- **"[Deliverability Testing That’s Useful Day-to-Day](https://www.g2.com/survey_responses/unspam-email-review-11740445)"** **Rating:** 5.0/5.0 stars *— Alexander R.* [Read full review](https://www.g2.com/survey_responses/unspam-email-review-11740445) --- ### 22. [EmailDelivery.com](https://www.g2.com/products/emaildelivery-com/reviews) Launch Your Own Email Service Provider and Email Marketing Agency! Self-hosted email marketing you can sell to your customers and clients that runs on any hosting provider or on-premises. Integrate your favorite SMTP Relays and APIs, or send email over your own IP Addresses with Velocity MTA, our PowerMTA alternative included for free. **Average Rating:** 4.3/5.0 **Total Reviews:** 38 **How Do G2 Users Rate EmailDelivery.com?** - **Has the product been a good partner in doing business?:** 8.4/10 (Category avg: 8.4/10) - **Performance:** 10.0/10 (Category avg: 9.0/10) - **Analytics:** 8.9/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind EmailDelivery.com?** - **Seller:** [EmailDelivery.com](https://www.g2.com/sellers/emaildelivery-com) - **HQ Location:** N/A - **LinkedIn® Page:** https://www.linkedin.com/company/emaildelivery-com/ (1 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Marketing and Advertising, Computer Software - **Company Size:** 100% Small-Business #### What Are EmailDelivery.com's Pros and Cons? **Pros:** - API Quality (1 reviews) - Customization (1 reviews) - Deliverability (1 reviews) - Easy Integration (1 reviews) - Easy Integrations (1 reviews) **Cons:** - Formatting Issues (2 reviews) - Poor Customer Support (2 reviews) - Bug Issues (1 reviews) - Cost Concerns (1 reviews) - Delayed Responses (1 reviews) ### What Do G2 Reviewers Say About EmailDelivery.com? *AI-generated summary from verified user reviews* **Pros:** - Users value the **flexibility and autonomy** of EmailDelivery.com, enabling control over IPs and domain management. - Users value the **customizability** of EmailDelivery.com, allowing control over their sending infrastructure and workflows. - Users value the **advanced deliverability features** of EmailDelivery.com, enhancing control and flexibility for their email campaigns. - Users value the **easy integration** with SMTP/API providers, enhancing flexibility and control over their email processes. - Users appreciate the **easy integrations** of EmailDelivery.com, enhancing flexibility and control over their sending processes. **Cons:** - Users face **formatting issues** with EmailDelivery.com, leading to poor support and frustrating operational challenges. - Users express frustration over **poor customer support** , leading to unresolved issues and increased operational costs. - Users report serious **bug issues** that lead to significant downtime and lack of support, complicating their operations. - Users express concerns over the **increased costs** due to lack of support and unresolved issues harming their experience. - Users experience **delayed responses** from support, leading to unresolved issues and increased operational costs. #### What Are Recent G2 Reviews of EmailDelivery.com? **"[Incredible software and support!](https://www.g2.com/survey_responses/emaildelivery-com-review-8778356)"** **Rating:** 5.0/5.0 stars *— Dalton Araujo A.* [Read full review](https://www.g2.com/survey_responses/emaildelivery-com-review-8778356) --- **"[A powerhouse for those looking to take their email marketing into their own hands](https://www.g2.com/survey_responses/emaildelivery-com-review-9200757)"** **Rating:** 4.5/5.0 stars *— Jim R.* [Read full review](https://www.g2.com/survey_responses/emaildelivery-com-review-9200757) --- ### 23. [testRigor](https://www.g2.com/products/testrigor/reviews) Software QA testers use testRigor codeless testing tool to create robust end-to-end functional tests. Software testing made easy: create cross-platform tests using no code for web, native and hybrid mobile applications, desktop, and API. Utilize email testing, visual testing and audio testing built-in features. Create your automated tests 15x faster and with 95% less test maintenance than traditional automation testing tools. Execute tests in parallel and receive results in minutes, not hours. Easily integrate with your favorite issue management tools, CI/CD tools, and so on. It’s easy to scale your software testing with testRigor. Best for: Software teams who want to rapidly increase their test automation coverage while also spending much less time on maintenance. testRigor aims to be the only automation tool needed - with broad support, cross-platform and cross-browser testing, reporting and screenshots for every step **Average Rating:** 4.7/5.0 **Total Reviews:** 19 **How Do G2 Users Rate testRigor?** - **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 8.4/10) - **Performance:** 10.0/10 (Category avg: 9.0/10) - **Analytics:** 10.0/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 3.3/10 (Category avg: 10/10) **Who Is the Company Behind testRigor?** - **Seller:** [TestRigor](https://www.g2.com/sellers/testrigor) - **Year Founded:** 2022 - **HQ Location:** Brooklyn, US - **Twitter:** @testrigor (909 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/testrigor/ (330 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Computer Software - **Company Size:** 70% Small-Business, 30% Mid-Market #### What Are testRigor's Pros and Cons? **Pros:** - Ease of Use (7 reviews) - Automation (5 reviews) - Time-saving (5 reviews) - Customer Support (4 reviews) - Automation Ease (2 reviews) **Cons:** - Testing Difficulties (3 reviews) - Testing Issues (3 reviews) - Bug Issues (2 reviews) - Technical Issues (2 reviews) - Expensive (1 reviews) ### What Do G2 Reviewers Say About testRigor? *AI-generated summary from verified user reviews* **Pros:** - Users value the **ease of use** of testRigor, significantly reducing time spent on testing and maintenance. - Users value the **automation capabilities** of testRigor, significantly reducing test build time and enhancing testing efficiency. - Users praise **time-saving benefits** of testRigor, allowing engineers to focus on new features while enhancing test maintenance. - Users appreciate the **exceptional 24/7 customer support** of testRigor, ensuring timely assistance and effective issue resolution. - Users appreciate the **automation ease** of testRigor, enabling quick, efficient test writing without needing programming skills. **Cons:** - Users face **testing difficulties** with testRigor, encountering input errors and occasional crashes that disrupt their testing process. - Users report **testing issues** with testRigor, including slow mobile testing and occasional tool crashes affecting reliability. - Users experience frequent **bug issues** with testRigor, leading to crashes and unexpected failures in test cases. - Users face **technical issues** with sync problems between parent and child suites, affecting Reusable Rules functionality. - Users express concern about the **expensive cost of servers** , which impacts their overall experience with testRigor. #### What Are Recent G2 Reviews of testRigor? **"[Powerful Natural language Automation that is fast, scalable and stable.](https://www.g2.com/survey_responses/testrigor-review-12247728)"** **Rating:** 5.0/5.0 stars *— Julia T.* [Read full review](https://www.g2.com/survey_responses/testrigor-review-12247728) --- **"[User-Friendly UI, Helpful Docs, and Fast Support—A Great Product](https://www.g2.com/survey_responses/testrigor-review-12236983)"** **Rating:** 5.0/5.0 stars *— Brandi W.* [Read full review](https://www.g2.com/survey_responses/testrigor-review-12236983) --- #### What Are G2 Users Discussing About testRigor? - [What is testRigor used for?](https://www.g2.com/discussions/what-is-testrigor-used-for) ### 24. [Delivra](https://www.g2.com/products/delivra/reviews) Delivra is an email marketing platform helping marketers of any expertise captivate and grow their audience. With more than 20 years of unrivaled customer success, Delivra helps businesses engage in meaningful conversations that produce tangible results. Their focus on approachable solutions has helped empower thousands of organizations across industries to take control of complex marketing automation and data handling. Delivra scales with you and provides the tools you need to succeed every step of the way. Built for busy marketers, Delivra offers a full suite of features to help teams reach their goals. Easily build and send impactful email marketing campaigns with a customizable drag and drop editor. Automate your customer communications by strategically plotting an entire email series, determining which mailings are sent based on a variety of subscriber actions, inactions or time. Get more engagement from your audience and reach customers outside of their inbox with expert segmentation and SMS marketing. Whether you’re working B2B, promoting a Non-Profit, or planning an event, Delivra provides robust analytics and ongoing support to encourage users to hone in and refine their strategy. Integrate with a wide variety of CRM’s, e-commerce platforms, and web analytics tools so everything you need is available in one place. The software either plugs right into the current tech, or Delivra builds out a custom integration to ensure that everything works smoothly. **Average Rating:** 4.3/5.0 **Total Reviews:** 83 **How Do G2 Users Rate Delivra?** - **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 8.4/10) - **Performance:** 5.8/10 (Category avg: 9.0/10) - **Analytics:** 5.0/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 10/10 (Category avg: 10/10) **Who Is the Company Behind Delivra?** - **Seller:** [Delivra](https://www.g2.com/sellers/delivra) - **Year Founded:** 1999 - **HQ Location:** Indianapolis, Indiana - **Twitter:** @delivra (2,078 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/273329/ (29 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Owner - **Top Industries:** Marketing and Advertising, Non-Profit Organization Management - **Company Size:** 48% Small-Business, 44% Mid-Market #### What Are Delivra's Pros and Cons? **Pros:** - Automation (4 reviews) - Ease of Use (4 reviews) - Automations (3 reviews) - Easy Setup (3 reviews) - Email Marketing (3 reviews) **Cons:** - Difficult Automation (2 reviews) - Integration Issues (2 reviews) - Limited Customization (2 reviews) - Complex Features (1 reviews) - Complexity (1 reviews) ### What Do G2 Reviewers Say About Delivra? *AI-generated summary from verified user reviews* **Pros:** - Users love Delivra for its **effortless automation features** , streamlining email campaigns and enhancing marketing productivity. - Users value the **ease of use** of Delivra, enjoying its smooth interface and quick campaign setup. - Users love the **automation features** in Delivra, enhancing their marketing strategies with effortless lead capture and personalization. - Users appreciate the **easy setup** of Delivra, making campaign management quick and stress-free from the start. - Users appreciate the **ease of use and automation features** of Delivra, simplifying their email marketing experience significantly. **Cons:** - Users find the **difficult automation** with Delivra challenging, impacting their overall experience and effectiveness. - Users face **integration issues** with Delivra, making automation and customization more challenging than desired. - Users find the **limited customization** in Delivra restrictive, desiring more flexibility with templates and design options. - Users find **automation complexity** and the integration ecosystem of Delivra challenging, affecting user experience negatively. - Users find the **automation complexity** and integration ecosystem somewhat challenging when using Delivra. #### What Are Recent G2 Reviews of Delivra? **"[Streamlined Multi-Channel Communication, Needs Local Compliance Enhancements](https://www.g2.com/survey_responses/delivra-review-13058641)"** **Rating:** 4.5/5.0 stars *— Gaston A.* [Read full review](https://www.g2.com/survey_responses/delivra-review-13058641) --- **"[Streamlined GDPR Compliance, But Needs Localization Improvements](https://www.g2.com/survey_responses/delivra-review-13042859)"** **Rating:** 4.0/5.0 stars *— Mark J.* [Read full review](https://www.g2.com/survey_responses/delivra-review-13042859) --- #### What Are G2 Users Discussing About Delivra? - [What is Delivra used for?](https://www.g2.com/discussions/what-is-delivra-used-for) ### 25. [Mailgun](https://www.g2.com/products/mailgun/reviews) 150,000+ companies. 400 billion emails a year. 99.99% uptime — backed by SLA Mailgun is the full-stack email infrastructure platform developers and marketers trust to send, test, validate, and improve deliverability at scale. One platform covers the entire email lifecycle: preview and fix rendering issues before you send, clean your lists in real time, fire emails via API at any volume, and surface deliverability problems with AI before they cost you. SOC 2 Type I & II, HIPAA, GDPR, ISO 27001 certified. Trusted by Microsoft, Lyft, and American Express. Part of Sinch, the global leader in cloud communications. **Average Rating:** 4.2/5.0 **Total Reviews:** 314 **How Do G2 Users Rate Mailgun?** - **Has the product been a good partner in doing business?:** 8.7/10 (Category avg: 8.4/10) - **Performance:** 10.0/10 (Category avg: 9.0/10) - **Analytics:** 10.0/10 (Category avg: 8.8/10) - **What is your organization's estimated ROI on the product (payback period in months)?:** 9.7/10 (Category avg: 10/10) **Who Is the Company Behind Mailgun?** - **Seller:** [Sinch](https://www.g2.com/sellers/sinch) - **Company Website:** https://www.sinch.com - **Year Founded:** 2008 - **HQ Location:** Stockholm, Sweden - **Twitter:** @wearesinch (3,648 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/sinch (4,371 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** CTO, Software Engineer - **Top Industries:** Information Technology and Services, Computer Software - **Company Size:** 80% Small-Business, 16% Mid-Market #### What Are Mailgun's Pros and Cons? **Pros:** - Ease of Use (23 reviews) - Reliability (18 reviews) - Deliverability (15 reviews) - Features (12 reviews) - API Quality (11 reviews) **Cons:** - Expensive (11 reviews) - Email Issues (8 reviews) - Learning Curve (6 reviews) - Missing Information (5 reviews) - Poor Customer Support (5 reviews) ### What Do G2 Reviewers Say About Mailgun? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **ease of use** of Mailgun, enabling quick email handling with minimal code and effort. - Users value Mailgun's **high reliability** for email delivery, ensuring safe and effective communication without domain issues. - Users commend Mailgun for its **reliable email deliverability** , ensuring swift and secure communication, crucial for business operations. - Users appreciate Mailgun's **reliable email delivery** , excellent security, and robust APIs, enhancing overall communication efficiency. - Users appreciate Mailgun's **powerful API** , simplifying email delivery and integration while enhancing campaign performance and reliability. **Cons:** - Users find Mailgun **expensive** , struggling with high costs and limitations that hinder effective use of the service. - Users report **unreliable account security** with Mailgun, facing sudden account blocks and unaddressed spam issues. - Users face a **steep learning curve** with Mailgun, particularly those lacking technical expertise and seeking budget-friendly solutions. - Users report severe **missing information** regarding account issues, leading to unprofessional account suspensions and data losses. - Users report **poor customer support** from Mailgun, facing slow responses and unresolved account issues despite payment. #### What Are Recent G2 Reviews of Mailgun? **"[Effortless Email Automation with Top-Notch Deliverability](https://www.g2.com/survey_responses/mailgun-review-12641409)"** **Rating:** 4.0/5.0 stars *— Nate H.* [Read full review](https://www.g2.com/survey_responses/mailgun-review-12641409) --- **"[Easy Squarespace Integration, Fair Pricing, and Fast Support](https://www.g2.com/survey_responses/mailgun-review-13068893)"** **Rating:** 5.0/5.0 stars *— Jairo A.* [Read full review](https://www.g2.com/survey_responses/mailgun-review-13068893) --- #### What Are G2 Users Discussing About Mailgun? - [What is Mailgun used for?](https://www.g2.com/discussions/mailgun-what-is-mailgun-used-for) - 2 comments - [How much does mailgun cost?](https://www.g2.com/discussions/how-much-does-mailgun-cost) - 1 comment - [What is mailgun API?](https://www.g2.com/discussions/what-is-mailgun-api) - [Is mailgun safe?](https://www.g2.com/discussions/is-mailgun-safe) - 1 upvote - [What is mailgun used for?](https://www.g2.com/discussions/what-is-mailgun-used-for) - 1 comment ## What Is Email Testing Software? [Marketing Software](https://www.g2.com/categories/marketing) ## What Software Categories Are Similar to Email Testing Software? - [Email Marketing Software](https://www.g2.com/categories/email-marketing) - [Transactional Email Software](https://www.g2.com/categories/transactional-email) - [Email Deliverability Tools](https://www.g2.com/categories/email-deliverability)