Best Transactional Email Software for Small Business - Page 2

How Many Transactional Email Software Products Does G2 Track?

Total Products under this Category: 150

Category Stats (Oct 2026)

  • Average Rating: 4.41/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Freshmarketer (+1.72%) - Among all products in this category, Freshmarketer recorded the largest rating increase compared to last month

Last updated: October 01, 2026

How Does G2 Rank Transactional Email Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 32,000+ Authentic Reviews
  • 150+ 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.

G2 Grid® for Transactional Email Software

G2 Grid® for Transactional Email Software plotting products by satisfaction and market presence

Highlighted products: Brevo Marketing Platform, Customer.io, Amazon Simple Email Service (Amazon SES), Omnisend, Intuit Mailchimp Email Marketing, Email API, ActiveCampaign Postmark, and Twilio SendGrid Email API.

Underlying data: [Grid® JSON](https://www.g2.com/categories/transactional-email/grids.json?focus%5B%5D=brevo-marketing-platform&focus%5B%5D=customer-io&focus%5B%5D=amazon-simple-email-service-amazon-ses&focus%5B%5D=omnisend&focus%5B%5D=intuit-mailchimp-email-marketing&focus%5B%5D=netcore-private-limited-email-api&focus%5B%5D=activecampaign-postmark&focus%5B%5D=twilio-sendgrid-email-api&segment=small-business)

MSG91

MSG91 is a comprehensive communication platform designed to facilitate seamless interaction between businesses and their customers across multiple channels. By integrating SMS, WhatsApp, email, voice, and advanced marketing automation tools, MSG91 enables organizations to communicate effectively and efficiently, ensuring that messages are delivered promptly and reliably. Targeted at businesses of all sizes, from startups to large enterprises, MSG91 addresses a variety of communication needs. Its versatile features cater to diverse industries, including e-commerce, fintech, healthcare, and technology. Companies can utilize MSG91 for various use cases such as sending one-time passwords (OTPs) for secure logins, providing order updates, and executing personalized marketing campaigns. This all-in-one solution eliminates the need for multiple vendors, allowing businesses to manage their communication strategies from a single, user-friendly dashboard. Key features of MSG91 include robust APIs for SMS, WhatsApp, and email, which facilitate fast and reliable message delivery. The platform's SMS service ensures global reach with dependable performance, while the WhatsApp Business API allows for engaging customer interactions through verified messaging. Additionally, the Email API supports personalized bulk and transactional emails, complete with detailed analytics to track engagement. The Voice API automates calls and reminders, enhancing customer experience without added complexity. Furthermore, the Hello Chatbot offers 24/7 support, handling conversations and lead management across various channels, ensuring that customer inquiries are addressed promptly. MSG91 stands out in the communication landscape due to its commitment to reliability and compliance. With a 99.9% uptime guarantee and adherence to GDPR, TRAI, and Ofcom messaging standards, businesses can trust that their communications are secure and compliant. The platform also offers transparent pricing with a pay-as-you-go model, ensuring that companies only pay for what they use, without hidden fees. Additionally, MSG91 provides dedicated human support, ensuring that users have access to assistance whenever needed. In a rapidly evolving digital landscape, MSG91 not only focuses on message delivery but also on enhancing customer experiences through intelligent automation and real-time analytics. By leveraging these capabilities, businesses can foster meaningful connections with their customers, driving engagement and growth. With over a decade of experience, MSG91 combines Indian innovation with global reliability, making it a trusted partner for thousands of brands looking to optimize their communication strategies.

Average Rating: 4.5/5.0

Total Reviews: 196

How Do G2 Users Rate MSG91?

  • Has the product been a good partner in doing business?: 9.0/10 (Category avg: 9.1/10)
  • Performance and Reliability: 10.0/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 10.0/10 (Category avg: 8.5/10)
  • Mail Send API: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind MSG91?

  • Seller: MSG91
  • Company Website:
  • Year Founded: 2010
  • HQ Location: Indore, MP
  • Twitter: @msg91
    2,283 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    36 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Founder, CEO
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 51% Small, 22% Medium

What Do G2 Reviewers Say About MSG91?

AI-generated summary from verified user reviews

Pros
  • Users commend the responsive support of MSG91, highlighting their professionalism and helpfulness throughout the process.
  • Users commend MSG91 for its helpful support and easy integration, enhancing user confidence and overall experience.
  • Users praise the ease of use of MSG91, highlighting its simple integration and user-friendly dashboard.
  • Users praise the easy setup of MSG91, highlighting its guided process and reliable integration for their messaging needs.
  • Users commend the excellent staff support at MSG91, highlighting responsiveness and professionalism throughout their experience.
Cons
  • Users find the dashboard issues in MSG91 to be cluttered, complicating navigation and feature discovery.
  • Users find a lack of clarity in MSG91's dashboard and documentation, complicating the setup and usage experience.
  • Users experience occasional delays in delivery reports, impacting the efficiency and reliability of MSG91's services.
  • Users criticize poor customer support, citing challenges with initial setup and lack of clear documentation.
  • Users find the poor interface design of MSG91 leads to a cluttered, confusing experience that hampers usability.

What Are Recent G2 Reviews of MSG91?

What Are G2 Users Discussing About MSG91?

Knock

Knock is infrastructure for sending product and customer messaging. Ship cross-channel product notifications and lifecycle messaging that drives engagement, growth, and retention. Knock has everything you need to power notifications for your product, including: - A powerful workflow engine to automate and manage your entire cross-channel motion, from in-product messaging to email and push notifications. - Branded, in-product messaging components, including embeddable inboxes, feeds, and lifecycle messages. - Broadcasts make it easy to send effective, one-time messages to custom audiences. - A dynamic template manager for consistent, personalized cross-channel messaging. - End-to-end observability and analytics to monitor platform health and engagement. - Notification preferences give users control of where and when they receive notifications to increase retention. - Powerful integrations with dozens of tools across email, SMS, push, and chat.

Average Rating: 4.6/5.0

Total Reviews: 148

How Do G2 Users Rate Knock?

  • Has the product been a good partner in doing business?: 9.5/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.4/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.6/10 (Category avg: 8.5/10)
  • Mail Send API: 9.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Knock?

  • Seller: Knock
  • Company Website:
  • Year Founded: 2021
  • HQ Location: New York, NY
  • Twitter: @knocklabs
    2,106 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    24 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer, CTO
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 72% Small, 21% Medium

What Do G2 Reviewers Say About Knock?

AI-generated summary from verified user reviews

Pros
  • Users find Knock's interface intuitive and easy to use, enhancing workflow design and notification implementation.
  • Users love the intuitive notifications system of Knock, which simplifies sending and managing alerts across various platforms.
  • Users appreciate the excellent customer support of Knock, highlighting fast response times and reliable assistance.
  • Users appreciate the easy setup of Knock, enabling quick integration and seamless experience for all team members.
  • Users highlight the easy integration of Knock, making it a developer-friendly choice with excellent support.
Cons
  • Users find the missing features of Knock, including replay capabilities and problematic email templates, frustrating.
  • Users find the insufficient features in Knock to be limiting, particularly with email templates and documentation clarity.
  • Users find the lack of clarity in Knock's data model and environment system challenging and counterproductive.
  • Users face notification issues with UI updates after commits, leading to confusion and delayed changes visibility.
  • Users find the difficult setup of Knock frustrating, especially with configuration tied to the UI and environment management.

What Are Recent G2 Reviews of Knock?

Sender.net

Sender helps you connect with people—easily and effectively. Email marketing doesn’t have to be complicated or expensive. With Sender, you get everything you need to stay in touch, grow your audience, and share what matters—without the usual tech headaches. Here’s what makes it great: Easy to use No complicated setups. Just a clean, simple interface that helps you create and send beautiful emails in minutes. Powerful automation Set things up once, and let Sender handle the follow-ups, reminders, and welcomes—so you can focus on other stuff. Create professional-looking newsletters in minutes Stop wasting hours designing emails from scratch. With Sender’s ready-made templates and intuitive drag-and-drop builder, you can craft stunning newsletters effortlessly. Grow your audience Build signup forms, collect subscribers, and keep your list healthy. Stay in the loop with reports See who’s opening, clicking, and engaging with your emails—so you know what’s working and what’s not. Send more for less With one of the most generous free plans out there, you can send up to 15,000 emails/month to 2,500 people—without spending a dime. Made for everyone Whether you're just starting out or already have a growing list, Sender gives you the tools to level up—without needing to be a marketing pro.

Average Rating: 4.7/5.0

Total Reviews: 282

How Do G2 Users Rate Sender.net?

  • Has the product been a good partner in doing business?: 9.3/10 (Category avg: 9.1/10)
  • Performance and Reliability: 10.0/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 10.0/10 (Category avg: 8.5/10)
  • Mail Send API: 9.8/10 (Category avg: 8.9/10)

Who Is the Company Behind Sender.net?

  • Seller: Sender.net
  • Company Website:
  • Year Founded: 2012
  • HQ Location: Vilnius, LT
  • Twitter: @SenderNet
    276 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    28 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Director
  • Top Industries: Computer Software, Real Estate
  • Company Size: 70% Small, 30% Medium

What Do G2 Reviewers Say About Sender.net?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Sender.net, allowing quick setup and effective campaign management.
  • Users appreciate the user-friendly interface of Sender.net, making campaign setup and automation seamless and efficient.
  • Users value the seamless automation features of Sender.net, ensuring smooth and efficient campaign management.
  • Users value the easy-to-use interface of Sender.net, which simplifies email campaign creation and management.
  • Users commend the exceptional customer support from Sender.net, notably praising team members like Michael for their attentiveness.
Cons
  • Users find the template selection limited, though customization options help create unique and professional emails.
  • Users note the limited template selection but appreciate the customization options for creating unique emails.
  • Users find the template selection limited, yet appreciate the effective customization options for unique designs.
  • Users wish for more modern templates and integrations, as current options feel outdated and limit campaign creativity.
  • Users feel that there is limited customization in Sender.net, hindering the ability to create unique and professional emails.

What Are Recent G2 Reviews of Sender.net?

What Are G2 Users Discussing About Sender.net?

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Courier

Courier is notification infrastructure for customer messaging, built for humans and AI agents. It sits between your app and every channel you send on: email, SMS, push, in-app inbox, chat, and webhooks. You send one request, and Courier works out where it goes, what it looks like, and whether the user wanted it at all. Teams use it for the messages a product has to send: onboarding, alerts, receipts, reminders, and account notices. You keep the providers you already pay for. Courier is the layer above them. • Design a message once and it adapts to each channel it goes out on, whether you build it in the visual editor or manage it as code. • Journeys handle the sequencing: waits, batching, digests, and branching on what someone does or ignores. • Add an in-app inbox to your web and mobile apps without building one from scratch. • Users set their own channel and topic preferences, so you are not fielding requests to turn things off. • When a provider fails, Courier fails over to another, and every send lands in one log with its delivery status. Everything in the product is on the API, so the same template or journey works however your team wants to build it: in the visual editor, as code, or handed to an AI agent through Courier's MCP server. Courier connects to 50+ providers, including SendGrid, Amazon SES, Twilio, Firebase, and Slack, and bills per message sent at one rate on every channel, with no per-seat fees. The free tier covers 10,000 messages a month. Twilio, Trusted Health, and Nav run their customer messages on Courier. Founded in 2019 in San Francisco, Courier came out of Y Combinator and is backed by GV, Bessemer Venture Partners, Matrix Partners, Twilio, and Slack Fund.

Average Rating: 4.5/5.0

Total Reviews: 59

How Do G2 Users Rate Courier?

  • Has the product been a good partner in doing business?: 9.7/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.4/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.3/10 (Category avg: 8.5/10)
  • Mail Send API: 9.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Courier?

  • Seller: Courier
  • Year Founded: 2019
  • HQ Location: San Francisco, California
  • Twitter: @trycourier
    1,424 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,230 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 75% Small, 22% Medium

What Do G2 Reviewers Say About Courier?

AI-generated summary from verified user reviews

Pros
  • Users value the excellent customer support of Courier, appreciating multiple contact methods for assistance with issues.
  • Users appreciate the ease of use of Courier, finding it simple to configure notifications and manage recipients.
  • Users appreciate the dynamic notification configuration and excellent customer support offered by Courier.
  • Users love the dynamic email personalization with drag-and-drop design, making customization effortless and enjoyable.
  • Users love the drag-and-drop design feature for creating dynamic emails easily and efficiently with Courier.
Cons
  • Users express concern over API integration issues, limiting connectivity with various social media platforms like Instagram and Snapchat.
  • Users find that while drag-and-drop is useful, customization difficulty at advanced levels can be quite frustrating.
  • Users are frustrated by the lack of integration options with social media services, limiting the platform's connectivity.
  • Users find the limited customization options frustrating, despite appreciating the helpful drag and drop feature.
  • Users are disappointed by the lack of social media integration, limiting their ability to connect across platforms.

What Are Recent G2 Reviews of Courier?

What Are G2 Users Discussing About Courier?

SAP Engagement Cloud (formerly SAP Emarsys)

SAP Engagement Cloud (formerly SAP Emarsys) helps organizations power unique engagement by connecting real-time customer insights with the operational signals that run the business. As part of the SAP Customer Experience (CX) portfolio, Engagement Cloud enables personalized, AI-driven interactions across every channel—turning moments like orders, service events, and loyalty milestones into timely, relevant experiences that build trust, strengthen relationships, and drive growth.

Average Rating: 4.2/5.0

Total Reviews: 631

How Do G2 Users Rate SAP Engagement Cloud (formerly SAP Emarsys)?

  • Has the product been a good partner in doing business?: 8.5/10 (Category avg: 9.1/10)
  • Performance and Reliability: 8.4/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.0/10 (Category avg: 8.5/10)
  • Mail Send API: 8.0/10 (Category avg: 8.9/10)

Who Is the Company Behind SAP Engagement Cloud (formerly SAP Emarsys)?

  • Seller: SAP
  • Company Website:
  • Year Founded: 1972
  • HQ Location: Walldorf
  • Twitter: @SAP
    297,052 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    149,349 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Digital Marketing Manager, CRM Manager
  • Top Industries: Retail, Apparel & Fashion
  • Company Size: 49% Medium, 22% Small

What Do G2 Reviewers Say About SAP Engagement Cloud (formerly SAP Emarsys)?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of SAP Engagement Cloud, simplifying campaign management and enhancing client experiences.
  • Users value the almost unlimited automation abilities of SAP Engagement Cloud, enhancing their email marketing workflows effectively.
  • Users value the ease of use and comprehensive features of SAP Emarsys, enhancing efficiency in marketing campaigns.
  • Users appreciate the ease of personalized marketing with SAP Engagement Cloud, enabling relevant campaigns and improved results.
  • Users value the helpful customer support and training, enhancing their experience with SAP Engagement Cloud significantly.
Cons
  • Users experience missing features, such as advanced analytics and segmentation tools, affecting overall functionality and usability.
  • Users often struggle with the steep learning curve of SAP Engagement Cloud, making initial use challenging and overwhelming.
  • Users find the difficult learning curve of SAP Engagement Cloud frustrating, especially with templates and segmentation tools.
  • Users find the interface to be not intuitive, making it challenging to navigate and utilize effectively at first.
  • Users express frustration with the limited features of SAP Engagement Cloud, hindering full utilization of its potential.

What Are Recent G2 Reviews of SAP Engagement Cloud (formerly SAP Emarsys)?

What Are G2 Users Discussing About SAP Engagement Cloud (formerly SAP Emarsys)?

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.

Average Rating: 4.2/5.0

Total Reviews: 315

How Do G2 Users Rate Mailgun?

  • Has the product been a good partner in doing business?: 8.7/10 (Category avg: 9.1/10)
  • Performance and Reliability: 8.9/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.5/10 (Category avg: 8.5/10)
  • Mail Send API: 9.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Mailgun?

  • Seller: Sinch
  • Company Website:
  • Year Founded: 2008
  • HQ Location: Stockholm, Sweden
  • Twitter: @wearesinch
    3,648 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,417 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CTO, Owner
  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 80% Small, 16% Medium

What Do G2 Reviewers Say About Mailgun?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use of Mailgun, appreciating its simple integration and effective email management tools.
  • Users appreciate the high reliability of Mailgun, ensuring seamless email delivery and strong performance for various applications.
  • Users appreciate the strong deliverability of Mailgun, ensuring reliable and effective email communication with minimal issues.
  • Users praise Mailgun for its reliable deliverability and flexible API, enhancing their email sending and tracking capabilities.
  • Users appreciate the high-quality API of Mailgun, benefiting from reliable email delivery and easy integration.
Cons
  • Users find Mailgun expensive as costs rise with usage, posing challenges for smaller teams and startups.
  • Users experience cumbersome email tracking and poor customer support, leading to frustrations and account management issues.
  • Users find the learning curve steep, especially for those lacking technical expertise, affecting usability and experience.
  • Users express frustration over missing information, especially with customer service and account management issues.
  • Users express frustration with slow and inadequate customer support, leading to unresolved account issues and dissatisfaction.

What Are Recent G2 Reviews of Mailgun?

What Are G2 Users Discussing About Mailgun?

WebEngage

WebEngage is a full-stack Retention OS that simplifies customer engagement for 800+ brands across the globe. The platform enables businesses to build personalized and meaningful relationships with their users across various digital channels. With its comprehensive suite of tools and solutions, WebEngage empowers businesses to understand, engage, and retain customers effectively. - UNIFY CUSTOMER DATA: WebEngage enables businesses to consolidate customer data from various sources, providing real-time insights and allowing dynamic micro-segmentation for targeted campaigns based on specific customer attributes and behaviors. - MULTI-CHANNEL JOURNEYS: With WebEngage's intuitive drag-and-drop workflow builder, businesses can seamlessly design and automate multi-channel customer journeys, ensuring consistent and personalized experiences across channels such as email, SMS, push notifications, and more. - TARGETED CAMPAIGNS: WebEngage empowers businesses to automate personalized campaigns triggered by customer actions and predefined business events. This ensures timely and relevant communication to enhance customer engagement and conversion rates. - AI-DRIVEN PREDICTIVE MODELS: WebEngage Analytics dashboard empowers all metrics required to segment, engage and retain priority customers, churn to convert windows and ROI optimization,This allows businesses to focus their interventions and campaigns for maximum impact and better ROI. - 1:1 PERSONALIZATION: WebEngage enables businesses to deliver personalized experiences at scale. By incorporating user intent, preferences, and other relevant data, businesses can tailor their communications to each individual customer, fostering omni-channel customer engagement. What's more? WebEngage’s platform is quick and easy to integrate. Compatible with range of ESP and MSP, all it takes is a few hours from the tech team. Presence across the globe: With headquarters in India, WebEngage has expanded its operations globally with offices and presence in the Middle East & Africa region, Southeast Asia, and South America.

Average Rating: 4.5/5.0

Total Reviews: 756

How Do G2 Users Rate WebEngage?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 9.1/10)
  • Performance and Reliability: 8.5/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.3/10 (Category avg: 8.5/10)
  • Mail Send API: 8.6/10 (Category avg: 8.9/10)

Who Is the Company Behind WebEngage?

  • Seller: WebEngage
  • Company Website:
  • Year Founded: 2011
  • HQ Location: Mumbai
  • Twitter: @webengage
    5,055 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    364 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Product Manager, Digital Marketing Manager
  • Top Industries: Financial Services, Education Management
  • Company Size: 55% Medium, 27% Small

What Do G2 Reviewers Say About WebEngage?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use of WebEngage, making marketing automation and user insights readily accessible.
  • Users find WebEngage's strong analytics and segmentation features invaluable for personalized multi-channel campaigns and insights.
  • Users value the intuitive journey creation of WebEngage, allowing seamless, personalized multi-channel campaigns effortlessly.
  • Users value the helpful support from WebEngage, enhancing their marketing efforts and user engagement significantly.
  • Users appreciate the user-friendly features of WebEngage, making it accessible and efficient for all levels of users.
Cons
  • Users find the learning curve steep, as the interface and setup can be complex and require time to master.
  • Users experience slow performance with loading live segments and creating customer segments, causing occasional frustration.
  • Users find the time-consuming aspects of WebEngage, particularly in loading segments and setup, quite inconvenient.
  • Users find the missing features problematic, wishing for enhancements and easier access to functionalities.
  • Users face a steep learning curve with WebEngage's complex interface and setup, hindering quick acclimatization.

What Are Recent G2 Reviews of WebEngage?

SMTP2GO

A fast and scalable email service provider, for sending transactional and marketing emails and viewing reports on email delivery. Complexities such as reputation monitoring, SPF and DKIM are professionally managed for each customer. Native-English speaking support is available worldwide (agents in the USA, UK, Australia, and New Zealand). Servers are also located around the world, meaning fast connection speeds and network redundancy.

Average Rating: 4.7/5.0

Total Reviews: 221

How Do G2 Users Rate SMTP2GO?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.4/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.8/10 (Category avg: 8.5/10)
  • Mail Send API: 8.9/10 (Category avg: 8.9/10)

Who Is the Company Behind SMTP2GO?

  • Seller: SMTP2GO
  • Year Founded: 2006
  • HQ Location: Christchurch, NZ
  • Twitter: @smtp2go
    770 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    21 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, IT Manager
  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 63% Small, 30% Medium

What Do G2 Reviewers Say About SMTP2GO?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the efficient email deliverability of SMTP2GO, valuing its reliability and ease of configuration.
  • Users love the customization options of SMTP2GO, making configuration seamless and reliable for email delivery.
  • Users find SMTP2GO to be incredibly easy to configure, enhancing reliability and overall user experience.
  • Users find the easy setup of SMTP2GO invaluable for seamless email delivery and reliable service.
  • Users value the incredible reliability of SMTP2GO, enhancing their email delivery experience effortlessly.
Cons
  • Users find SMTP2GO to be expensive, especially for high-volume sending, which can strain budgets.
  • Users find the difficult setup of SMTP2GO frustrating, complicating their email marketing efforts and leading to unexpected issues.
  • Users express frustration over the lack of clarity regarding account suspensions and the overall service setup of SMTP2GO.
  • Users feel frustrated by the limited features of SMTP2GO, which hinder effective email marketing and complicate usage.
  • Users find the limited templates of SMTP2GO restrictive, impacting their email design flexibility.

What Are Recent G2 Reviews of SMTP2GO?

What Are G2 Users Discussing About SMTP2GO?

Freshmarketer

Freshmarketer helps marketing teams deliver more personalized customer experiences at every touchpoint across their lifecycle. Get insights into your audience’s behavior and engagement to create unique buyer experiences. You can automate conversations with website visitors using AI chatbots, segment contacts into lists, create targeted personalized email campaigns using journeys, and nurture customers to keep coming back. With powerful campaigns analytics in Freshmarketer, you gain insights on opens, clicks, and responses to improve engagement and generate quality leads for sales teams. Also, the self-serve landing page builder and native CRO help to accelerate lead generation and conversion. If you need to build a better partnership between marketing and sales, Freshsales Suite provides an all-in-one solution. It brings sales force automation, marketing automation, chat, and telephony together so that you can organize customer information and engagement in one central location. Marketing teams better understand who they are marketing to, and sales teams know who they’re selling to.

Average Rating: 4.1/5.0

Total Reviews: 35

How Do G2 Users Rate Freshmarketer?

  • Has the product been a good partner in doing business?: 8.1/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.2/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.9/10 (Category avg: 8.5/10)
  • Mail Send API: 8.9/10 (Category avg: 8.9/10)

Who Is the Company Behind Freshmarketer?

  • Seller: Freshworks
  • Year Founded: 2010
  • HQ Location: San Mateo, CA
  • Twitter: @FreshworksInc
    19,020 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7,783 employees on LinkedIn®
  • Ownership: NASDAQ: FRSH

Who Uses This Product?

  • Company Size: 49% Small, 31% Medium

What Do G2 Reviewers Say About Freshmarketer?

AI-generated summary from verified user reviews

Pros
  • Users value the intuitive visual journey builder that enhances collaboration between sales and marketing through CRM integration.
  • Users appreciate the automation efficiency of Freshmarketer, which streamlines marketing and sales alignment through intuitive tools.
  • Users appreciate the intuitive visual journey builder of Freshmarketer, enhancing alignment between sales and marketing teams.
  • Users praise the CRM integration of Freshmarketer for enhancing collaboration between sales and marketing teams effectively.
  • Users find the ease of use in Freshmarketer's visual journey builder enhances collaboration between sales and marketing teams.
Cons
  • Users find the reporting features inadequate, feeling they lack depth compared to other established platforms.
  • Users find the analytics and reporting features limited, especially when compared to more established platforms.
  • Users feel that the analytics and reporting features of Freshmarketer are limited compared to other platforms.
  • Users find the analytics and reporting features limited in Freshmarketer, affecting their experience with data insights.
  • Users find the reporting features limited, especially when compared to more mature analytics platforms.

What Are Recent G2 Reviews of Freshmarketer?

SparkPost

SparkPost is the world’s #1 email infrastructure provider and the most performant email delivery service available. Our customers send over 5 trillion messages a year, over 37 percent of the world’s business email. Several SparkPost customers—including the largest social networks—send over a billion emails a day, making us the fastest-growing email delivery service provider on the market. For more than a decade, we’ve developed the leading technology in the email industry and the first email delivery service truly architected for the cloud. From the finely-tuned Momentum MTA to today’s fully elastic cloud email delivery service, we provide our customers with proven highest inbox delivery rates, easy setup and launch, and the most comprehensive analytics and insight. Built on the AWS platform, we give our customers the reliability and scalability they demand—and more. There’s never been a better way to send email. Our technology is powerful, but SparkPost’s most valuable asset is our people—the most talented and experienced email experts in the industry. From deliverability experts to a community of developers to dedicated Technical Account Managers for enterprise customers, our team is there with you every step of the way. Whether you are just starting out building an app; a large, complex enterprise; or somewhere in between, there’s a SparkPost service to match your email delivery needs.

Average Rating: 4.0/5.0

Total Reviews: 71

How Do G2 Users Rate SparkPost?

  • Has the product been a good partner in doing business?: 7.5/10 (Category avg: 9.1/10)
  • Performance and Reliability: 8.5/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.3/10 (Category avg: 8.5/10)
  • Mail Send API: 8.9/10 (Category avg: 8.9/10)

Who Is the Company Behind SparkPost?

  • Seller: SparkPost
  • HQ Location: Columbia, Maryland
  • Twitter: @SparkPost
    13,252 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    28 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Internet, Information Technology and Services
  • Company Size: 49% Small, 27% Medium

What Do G2 Reviewers Say About SparkPost?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the quick support team of SparkPost for efficiently solving their questions and concerns.
  • Users value the ease of use of SparkPost, along with responsive support for their inquiries.
Cons
  • Users often face delays from customer support and struggle to locate emails in spam folders.
  • Users face poor customer support, often experiencing delays or difficulties in resolving issues like spam placement.
  • Users report time delays in customer support and difficulties in tracking emails landing in spam.

What Are Recent G2 Reviews of SparkPost?

What Are G2 Users Discussing About SparkPost?

Click

Click is the only complete marketing technology solution that is natively integrated with Microsoft Dynamics CRM. Our top-rated marketing automation platform and communication tools create a unified and seamless user experience, ensuring your Sales, Marketing and IT teams are fully aligned and able to work together easily and productively. Providing email, marketing automation, journey builders, web intelligence, lead scoring, web forms, landing pages, SMS messaging, event management, surveys, social media tools and much more, Click offers a comprehensive solution that meets the needs of businesses and organizations of all sizes. Over 3,700 customers across 76 countries trust us to provide the tools they need to drive marketing results. Discover what ClickDimensions can help you achieve. Click – Built to Grow your Business.

Average Rating: 4.0/5.0

Total Reviews: 295

How Do G2 Users Rate Click?

  • Has the product been a good partner in doing business?: 8.0/10 (Category avg: 9.1/10)
  • Performance and Reliability: 8.2/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 7.5/10 (Category avg: 8.5/10)
  • Mail Send API: 7.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Click?

  • Seller: Click
  • Year Founded: 2010
  • HQ Location: Atlanta, GA
  • Twitter: @ClickDimensions
    4,918 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    167 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Marketing Manager, Director of Marketing
  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 47% Medium, 38% Small

What Do G2 Reviewers Say About Click?

AI-generated summary from verified user reviews

Pros
  • Users find Click incredibly easy to use, appreciating its straightforward setup and seamless online shopping experience.
  • Users appreciate the ease of use and extensive features of Click, enhancing their online shopping and business management experience.
  • Users praise Click for its collaborative culture and effective tools, enhancing team management and user engagement.
  • Users value the excellent customer service of Click, noting prompt support and effective solutions available 24/7.
  • Users appreciate the 24/7 active customer support of Click, providing prompt solutions for all their needs.
Cons
  • Users find the excessive email notifications intrusive, complicating the experience with constant popups and sales tactics.
  • Users find the notifications overwhelming, with pushy popups and excessive emails complicating their experience.
  • Users face complex setup challenges with Click, including high pricing and numerous email notifications that can be overwhelming.
  • Users find the complex setup challenging, noting that high pricing compounds the difficulties of integration.
  • Users find the interface occasionally cluttered due to dependency issues, affecting ease of use in large projects.

What Are Recent G2 Reviews of Click?

What Are G2 Users Discussing About Click?

Maropost Marketing Cloud

When your email software can’t keep up with your marketing goals, it’s time to meet Marketing Cloud. Multichannel marketing software built for fast-growing businesses, Marketing Cloud gives you greater control over your email, SMS, and social media ad campaigns. With Maropost, effortlessly build and segment audiences, customize journeys, personalize communications, and deliver them automatically.

Average Rating: 4.4/5.0

Total Reviews: 141

How Do G2 Users Rate Maropost Marketing Cloud?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.7/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 9.7/10 (Category avg: 8.5/10)
  • Mail Send API: 9.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Maropost Marketing Cloud?

  • Seller: Maropost, Inc
  • Company Website:
  • Year Founded: 2011
  • HQ Location: Toronto, Canada
  • Twitter: @Maropost
    21,835 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    373 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Owner
  • Top Industries: Marketing and Advertising, Health, Wellness and Fitness
  • Company Size: 68% Small, 26% Medium

What Do G2 Reviewers Say About Maropost Marketing Cloud?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Maropost Marketing Cloud, enjoying seamless campaign management options and functionality.
  • Users value the advanced segmentation capabilities of Maropost, enhancing their marketing strategies through precise targeting.
  • Users value the advanced segmentation and personalization capabilities of Maropost Marketing Cloud for targeted campaigns.
  • Users appreciate the easy setup for A/B testing in Maropost, allowing effective targeting and campaign flexibility.
  • Users praise the powerful automation features of Maropost Marketing Cloud, enhancing their campaign management efficiency.
Cons
  • Users find the lack of account duplication features in Maropost Marketing Cloud frustrating and limiting for their workflows.
  • Users find the difficult learning process for advanced features challenging and time-consuming to navigate effectively.
  • Users struggle with limited third-party integrations, which hampers connectivity and usability of Maropost Marketing Cloud.
  • Users find the limited third-party integrations of Maropost Marketing Cloud hinder their overall marketing effectiveness.
  • Users find the steeper learning curve for advanced features challenging, impacting their overall experience with Maropost Marketing Cloud.

What Are Recent G2 Reviews of Maropost Marketing Cloud?

What Are G2 Users Discussing About Maropost Marketing Cloud?

Sweego

Sweego is a multi-channel notification platform that enables application developers to send, receive, and process communications via email and SMS through a unified API. It provides infrastructure and tooling to integrate transactional messaging and bidirectional email workflows directly into software applications. Sweego is a type of communication platform as a service (CPaaS) solution that helps developers manage transactional notifications (such as account confirmations, alerts, and system messages) and integrate email-based interactions into their systems. It is designed for backend engineers, product teams, and SaaS builders who require programmable messaging capabilities and event-driven architectures. The platform supports both outbound and inbound communication flows. Developers can send emails and SMS messages using a unified REST API, while also receiving incoming emails that are parsed and forwarded as structured JSON payloads via webhooks. This enables use cases such as automated customer support ingestion, email-to-application workflows, and system-triggered processing pipelines. Sweego is positioned as a European-based solution, with infrastructure aligned with GDPR requirements, making it relevant for organizations with data residency and compliance constraints within the European Union. Key features and capabilities include: - Unified REST API: A single API interface to manage both email and SMS delivery, reducing integration complexity across communication channels. - Inbound Email Routing: Ability to receive emails, extract structured data, and forward it to applications via webhooks for automated processing. - Webhook Event System: Real-time event notifications (delivery, bounce, engagement) that enable monitoring, automation, and system synchronization. - Template and Brand Management: Tools to manage message templates and sender identities, supporting consistent communication formatting and branding. - Analytics and Logs: Access to delivery metrics, logs, and message-level data for debugging, performance monitoring, and operational visibility. Sweego is typically used in SaaS platforms, transactional notification systems, and applications requiring reliable communication channels combined with programmatic control. It fits into architectures where messaging is tightly coupled with application logic and event-driven workflows.

Average Rating: 4.8/5.0

Total Reviews: 18

How Do G2 Users Rate Sweego?

  • Has the product been a good partner in doing business?: 9.7/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.3/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 9.3/10 (Category avg: 8.5/10)
  • Mail Send API: 9.8/10 (Category avg: 8.9/10)

Who Is the Company Behind Sweego?

  • Seller: Sweego
  • HQ Location: Lille, FR
  • Twitter: @Sweego_io
    34 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CTO
  • Company Size: 72% Small, 11% Medium

What Do G2 Reviewers Say About Sweego?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Sweego, praising its simple setup and seamless integration with platforms.
  • Users find the easy setup of Sweego convenient, enabling quick integration with multiple services and platforms.
  • Users appreciate the fast and accommodating customer support from Sweego, enhancing their overall experience with the service.
  • Users value the fast and reliable service of Sweego, appreciating its adaptability and excellent customer support.
  • Users praise Sweego for its fast and reliable service, enhancing their communication experience significantly.
Cons
  • Users experienced some downtime issues, though the support team resolved them quickly and effectively.
  • Users often find the email integration lacking, leading to frustration and reduced effectiveness in communication.
  • Users find email issues in Sweego to be a frustrating and persistent obstacle in their experience.
  • Users find the email limitations of Sweego frustrating, impacting their overall experience with the product.
  • Users find Sweego to be expensive, which affects their overall satisfaction with the product despite its features.

What Are Recent G2 Reviews of Sweego?

Mailjet

With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletters and automations, while developers power high-volume transactional email via robust APIs and SMTP relay. Collaborative editing, templates, and approval flows keep teams fast and consistent; advanced segmentation, A/B testing, and analytics drive growth with every send. Built in Europe with privacy-first hosting options, Mailjet helps you reach the inbox at scale without compromising compliance. Connect easily to your stack with native integrations for ecommerce, CRM, and data tools. More than 100,000 customers globally trust Mailjet to deliver critical messages and campaigns. Choose one platform that brings marketers and developers together.

Average Rating: 3.9/5.0

Total Reviews: 176

How Do G2 Users Rate Mailjet?

  • Has the product been a good partner in doing business?: 7.7/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.0/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 8.6/10 (Category avg: 8.5/10)
  • Mail Send API: 9.2/10 (Category avg: 8.9/10)

Who Is the Company Behind Mailjet?

  • Seller: Sinch
  • Year Founded: 2008
  • HQ Location: Stockholm, Sweden
  • Twitter: @wearesinch
    3,648 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,417 employees on LinkedIn®
  • Ownership: SINCH.ST

Who Uses This Product?

  • Who Uses This: CEO, Founder
  • Top Industries: Marketing and Advertising, Computer Software
  • Company Size: 72% Small, 20% Medium

What Do G2 Reviewers Say About Mailjet?

AI-generated summary from verified user reviews

Pros
  • Users find Mailjet's ease of use beneficial, highlighting the intuitive UI that simplifies implementation and automation.
  • Users commend Mailjet for its affordable pricing that rivals other providers while maintaining essential features and functionality.
  • Users value the AI-powered real-time collaboration in Mailjet, enhancing teamwork and streamlining email processes effectively.
  • Users praise Mailjet's excellent customer support, highlighting its effectiveness alongside an intuitive and user-friendly interface.
  • Users love the customization options in Mailjet, allowing effortless personalization of email campaigns with a user-friendly interface.
Cons
  • Users find Mailjet's limitations on customization and sending capabilities hinder its overall effectiveness and flexibility.
  • Users find Mailjet has limited options for customization and templates, restricting their email marketing capabilities.
  • Users feel that Mailjet has limited templates, hindering customization and flexibility in their email campaigns.
  • Users find the limitations of Mailjet's free plan frustrating, particularly with sending limits and fewer templates.
  • Users find limited customization options in Mailjet, hindering advanced features and integrations like translation tools.

What Are Recent G2 Reviews of Mailjet?

What Are G2 Users Discussing About Mailjet?

HelpCrunch

HelpCrunch is an AI customer service platform for your Support, Sales, and Marketing. All in one. Scale customer communications with AI in all channels while keeping it personal and controllable. The platform combines AI Agents and AI chatbots, omnichannel live chat and shared inbox, knowledge base, and marketing+sales automation tools. Try HelpCrunch for free for 14 days and see how AI can resolve up to 80% of customer questions. 🧠 AI Agents Not your typical chatbot. Not just ChatGPT. Trained exclusively on your content and fully under your control. ⏵ Save time, reduce workload – automatically handle up to 80% of customer questions. ⏵ Scale without hiring – create multiple agents for different products, workflows, or tasks. ⏵ Be everywhere your customers are – live chat, iOS/Android, Facebook, Instagram, WhatsApp, Telegram, Viber. ⏵ Reliable answers only – near-zero hallucinations; anything missing gets routed to your team. ⏵ Handle complexity effortlessly – multi-part questions, follow-ups, topic changes. ⏵ Automate smarter – add AI Agents into chatbot flows for flexible, context-aware automation. 🤖 No-Code AI Chatbots Build custom AI journeys to automate replies, tagging, routing. Works in all channels, zero coding needed. 💬 Live Chat & Multichannel Inbox Manage conversations from website, email, in-app widget, messengers, and social in a single inbox. Assign chats, add tags, track history, and keep context clear across your team. 📚 Knowledge Base
 Build a self-service help center with SEO-friendly articles, categories, and search. Reduce tickets while giving customers 24/7 access to answers. 📧 Email & Campaigns
 Send one-off newsletters, automated onboarding sequences, or targeted campaigns. Segment users by behavior and deliver the right message at the right time. 🎯 Popups & Auto Messages
 Trigger personalized chat messages or popups based on visitor behavior – engage leads instantly, promote offers, and drive conversions. 📊 Analytics & Performance Track AI deflection rates, CSAT, first response times, workload, hours saved by automation, and more. HelpCrunch gives you visibility into both human and AI support. 😉 Why HelpCrunch?
 ⏵ Multichannel by design: web, mobile, messengers, email, and social.
 ⏵ All-in-one: support, marketing automation, and lightweight CRM in one tool.
 ⏵ Scales with your business, from startups to enterprises. ⏵ No-code setup in minutes.
Free migration from other tools. Make service your competitive advantage with HelpCrunch – the secret behind more efficient teams, without extra headcount.

Average Rating: 4.7/5.0

Total Reviews: 233

How Do G2 Users Rate HelpCrunch?

  • Has the product been a good partner in doing business?: 9.6/10 (Category avg: 9.1/10)
  • Performance and Reliability: 9.4/10 (Category avg: 9.1/10)
  • Enterprise Scalability: 9.2/10 (Category avg: 8.5/10)
  • Mail Send API: 9.7/10 (Category avg: 8.9/10)

Who Is the Company Behind HelpCrunch?

  • Seller: HelpCrunch
  • Year Founded: 2016
  • HQ Location: Palo Alto, CA
  • Twitter: @HelpCrunchCom
    334 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    19 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Founder
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 83% Small, 15% Medium

What Do G2 Reviewers Say About HelpCrunch?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use of HelpCrunch, finding it intuitive and seamless to transition from other platforms.
  • Users value the multifunctional service of HelpCrunch, benefiting from its comprehensive features for customer communication.
  • Users appreciate the helpful and easy-to-use features of HelpCrunch, enabling smooth communication and efficient lead engagement.
  • Users love the reliable live chat features of HelpCrunch, enabling instant support and effective client engagement.
  • Users commend HelpCrunch for its excellent customer support, noting quick responses and effective onboarding assistance.
Cons
  • Users feel that HelpCrunch could benefit from more flexible customization options for widgets and automation rules.
  • Users experience slow loading times for the chat functionality, affecting performance and overall satisfaction.
  • Users face chat issues with slow loading times and hope for improvements in performance and AI integration.
  • Users find the pricing to be high for small businesses, especially with additional costs for features like AI editing.
  • Users experience slow loading times with HelpCrunch's live chat, causing occasional delays and frustration.

What Are Recent G2 Reviews of HelpCrunch?

Yukta Rustagi
YR
Researched and written by Yukta Rustagi
Updated