Best Transactional Email Software

SendGrid makes it simple and stress-free to communicate with your customers. Our technology and expertise helps senders save time, scale their business, and succeed in an ever-changing email landscape. We are trusted by over 80,000 customers globally - big and small - to send over 45 billion emails every month. We help developers send with confidence by providing: FAST AND FRIENDLY INTEGRATION SendGrid's optimized integration tools and standardized API were built by developers for developers t

Sendinblue is the complete all-in-one sales and marketing toolbox. Over 80,000 customers around the world choose SendinBlue because we offer competitive pricing, active customer support, and an all-in-one solution for marketing automation, email marketing, SMS marketing, chat, Facebook Ads, CRM and for sending transactional messages via email and SMS. Many leading apps, ecommerce platforms, and CMS tools integrate directly with SendinBlue including: WordPress, Magento, Drupal, Shopify, PrestaS

Amazon Simple Email Service (Amazon SES) is a bulk and transactional email-sending service.

We just launched a brand new UI in April 2019! A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java. Easy SMTP integration and a simple, RESTful API abstracts away the messy details of sending transactional or bulk email. Scale quickly, whether you need to send 10 or 10 million emails. Searchable logs mean you always know what is happening to your email while tags make it easy to A/B test and

Mandrill is an affordable, scalable, and secure email infrastructure service that's easy to set up and integrate with existing apps. And we're really fast, too. With servers all over the world, we can deliver your email in milliseconds. Our detailed delivery reports, real-time analytics, and friendly interface mean your entire team—from developers to marketers—can easily monitor and evaluate email performance.

Elastic Email is an all-in-one email delivery platform. We offer an SMTP Relay, robust HTTP API, and a User Interface that has a complete suite of tools and features for managing contacts, templates, campaigns, and reports. We specialize in delivering transactional and marketing email.

A fast and scalable email service provider, for sending transactional and marketing emails and viewing reports on email delivery. Complexities such as reputation monitoring 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.

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 de

Pepipost is a cloud based transactional email delivery service helping businesses send their important emails like notifications, newsletters, updates, etc. Everyone loves Pepipost because it focuses on what matters: deliverability, pricing, and good analytics. Our highly scalable platform is capable of delivering billions of emails every hour with best inbox rates. Easy integration and disruptive pricing model makes Pepipost the ideal email delivery partner for both burgeoning startups and indu

Customer.io is a behavioral messaging platform that uses your app's data to automate hyper-personalized customer messages at scale. You can harness your customer's behavioral data and use advanced segmentation across web and mobile channels to empower your marketing and product teams to automate targeted, contextually-relevant messages. Customer.io helps you optimize your customers' experience while driving retention and conversion. By taking the first step toward incredibly authentic customer

For your enterprise transactional email and SMTP relay needs.

SMTP’s relay service infrastructure can solve your delivery issues — quickly. We maximize the number of emails that reach recipients’ inboxes by using our own IP addresses and monitoring your emails for anti-SPAM compliance. By improving your deliverability you’ll see improved ROI. Engagement rates will increase and you can use your resources more efficiently - to get the highest return on every marketing dollar you spend. To ensure the best deliverability, our Responsive Delivery system consta

Mailjet is a powerful email service provider used by +150,000 companies all over the world to create, send, and track their marketing and transactional emails. EMAIL API Mailjet’s flexible infrastructure can auto-scale to send up to 15M emails/hour (per user) via our Email API, even during peak sending periods. Our proprietary architecture is based on low-level optimized code and a distributed cache strategy, which allows us to achieve the most rapid processing possible. Mailjet is ISO27001 cer

Postmark is an email service provider focused exclusively on transactional email delivery. By not allowing bulk promotional email, Postmark maintains one of the best delivery reputations in the industry. With Postmark, all customers receive stellar support and incredibly delivery at no added cost. You'll never have to pay extra for a dedicated IP address or personalized support. It's just part of the deal.

MessageGears enables the world’s top brands to orchestrate dynamic, high-volume, cross-channel marketing messages with speed and precision by providing a platform that overcomes the inherent limitations of marketing cloud email systems.

Email is what we do. Making sure your message gets delivered is our top priority. Here at SocketLabs, we’ve perfected the art and science of easy, reliable delivery for your emails. Regardless of the size or nature of your business, we have a plan that will meet all of your email needs. You want simplicity? Well, we’ve struck just the right balance between a feature-rich outgoing mail server delivery solution, an easy-to-use dashboard interface, and an even easier setup. You can be set up and

MailUp is a simple and scalable solution to create, automate and customize Email, SMS and Messaging Apps Marketing campaigns. Trusted by 11,000+ customers worldwide, it offers advanced automation features and best-of-breed technology for your marketing strategies. Advanced Marketing Automation features, bespoke consultancy, training resources, and solid expertise. MailUp offers companies and agencies everything they need to shape effective Email, SMS and Messaging Apps Marketing strategies.

A transactional email delivery service that adds tracking and authentication to email.

Doppler Relay is a transactional email service, that guarantees the arrival of your Transactional Emails and allows you to access detailed analytics in real time. Sending attached files, invoices, card statements and password resets has never been so easy, safe and effective.

Ariticmail is an email marketing service provider for business having large subscriber base, and enables you to send email campaigns to a list of opt-in emails.

ExpressPigeon is a high-performing, cloud-based marketing, and transactional email automation service. Its clients are provided with a complete and cost-effective solution for list-based, transactional and automated email needs. Users of our system hail the ease and depth of our editor and are able to dive deep into personalization and segmentation to send highly targeted campaigns, which look great across all providers and devices. White-labeled, private IP addresses make messages appear as com

Everything you need for powerful email delivery is built in. We've taken care of the difficult details.

Supercharge your sales process. MailTag is your all-in-one Chome browser extension for email tracking 📨, scheduling 🕔, and auto follow-up 🚀. 100% free, forever. (Available for Gmail & GSuite accounts).

Rebump is an email productivity tool available as a google chrome extension for Gmail.

Global SMTP and transactional email service through an encrypted service.