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Transactional Email Software with Simple Mail Transfer Protocol (SMTP)

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Mailgun logo
4.3
(152)

Transactional email API service for developers

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Mailgun is an email automation service offering a complete cloud-based email service for sending, receiving & tracking email sent through your websites & apps

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Mailchimp logo
4.5
(16.8K)

Email and advertising marketing automation platform

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Mailchimp is a marketing automation platform that allows users to create, send & analyze email & ad campaigns, with email templates, landing pages, and a mobile app

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Brevo logo
4.5
(1.9K)

Automation, Marketing & Transactional Email, and SMS Service

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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.

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Constant Contact logo
4.3
(2.7K)

We deliver success.

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We deliver for small businesses with powerful tools to simplify and amplify digital marketing. Whether it's driving sales, growing a customer base or engaging an audience, we help you build strong connections and generate powerful results.

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SendPulse logo
4.6
(659)

Email, web push, SMS, chatbots, CRM on one platform

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SendPulse is an all-in-one marketing and sales automation platform for marketers, business owners, industry experts, and eLearning businesses. Our ecosystem includes 10+ audience engagement, communication, and lead generation services and offers an extensive free plan.

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SendGrid logo
4.2
(711)

Email Delivery. Simplified.

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Twilio SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. Twilio SendGrid provides reliable email delivery, scalability and real-time analytics along with flexible API's that make custom integration a breeze.

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SMTP2GO logo
4.9
(158)

Fast, reliable mail delivery and management solution

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SMTP2GO is a cloud-based email management solution which helps businesses track emails and generate visual reports. Key features include data management, email monitoring, blacklisting, email authentication, and an API.

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GetResponse logo
4.2
(488)

Email marketing and beyond

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An email marketing tool that helps business owners build permission-based mailing lists, maximize conversions with email automation and responsive design and create a landing page. GetResponse features include video email marketing, email-to-speech, and a custom form builder.

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Mailjet logo
4.3
(409)

Marketing Email, Transactional Email, Transactional SMS

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Send, track and deliver both marketing and transactional emails with Mailjet. Our cloud-based infrastructure is unique and highly scalable with a proprietary technology that optimizes email deliverability.

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Acumbamail logo
4.7
(149)

Effective email marketing to skyrocket your business

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Acumbamail is a complete tool with Email Marketing, SMS campaigns, and landing pages for companies of all kinds to effectively communicate with their customers between channels, expand their business and improve their conversion rates.

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Campaigner logo
3.9
(427)

Powerful Email Marketing & Automation platform

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Advanced yet easy-to-use email marketing platform featuring automation workflows, contact segmentation, multivariate experiments and A/B split testing, drag & drop and HTML email editors, pre-built templates. conversion tracking and real time reporting.

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UniOne logo
4.7
(43)

Friendly Email API and SMTP service

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Take care of your transactional and marketing emails in an easy and automated way. Connect your web or app to UniOne via API or SMTP.

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Mailtrap logo
4.9
(33)

Just in time email delivery.

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In 15 years, Mailtrap evolved into a fully-fledged email delivery platform. It’s a reliable end-to-end solution for dev teams to test, send, and control emails.

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Ongage logo
4.8
(37)

An email marketing platform for high-volume email operations

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The Ongage email marketing platform offers capabilities that include email API and everything you need to manage transactional emails at scale. Features include a full analytical suite, advanced segmentation, dynamic personalization, data-driven campaigns management, next-gen SMTP relay, and more.

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MailerSend logo
4.5
(50)

Transactional messaging service built for the whole team

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MailerSend is a transactional messaging service that enables developers to work faster and smarter.

An advanced sending infrastructure and flexible payment plans let you scale your sendings, plus Premium plans include dedicated IP, inbound routing and priority support for a comprehensive solution.

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Postmark logo
4.9
(32)

Cloud-based email management software

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Postmark is a cloud-based email management software designed to help businesses handle and streamline the delivery of emails. Supervisors can create transactional emails using customizable templates, track open click rates, and automatically receive notifications about invoice bounces.

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rapidmail logo
4.6
(27)

Send your newsletters with rapidmail newsletter software

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Create a newsletter easily: rapidmail is designed for simple and intuitive operation. We want you to create your newsletter fast and without any complications. Use our editor to create your email newsletter.

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Enginemailer logo
4.7
(26)

Cloud-based email marketing and campaign management system

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Enginemailer is an integrated platform that offers marketers efficient data management and email marketing tools. Key features include A/B testing, reporting and analytics, template management, customer survey, mailing list management, mass email delivery, CRM support, and automation tools.

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Mailmodo logo
4.5
(26)

Email marketing software with templates and AMP emails

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Mailmodo, a new-age email marketing tool, helps you get higher email conversions by adding interactive app-like elements inside emails.

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Mailazy logo
4.7
(9)

Cloud-based transactional email service provider

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Mailazy is a powerful transactional email system built for developers based on SMTP and API to ensure inbox delivery of your emails. It quickly integrates and delivers your emails to customers’ inboxes with global infrastructure and industry expertise you can rely on.

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Postman SMTP logo
4.7
(3)

Making Email Deliverability for WordPress.

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If you want to be sure that your emails are always delivered successfully, then you need Post SMTP. This powerful SMTP Mailing Plugin is the best solution for maximizing email deliverability, with full compatibility with any SMTP mailing service and API mailing.

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Enabler logo
3.7
(3)

Enterprise-level email marketing software

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Enabler is an enterprise-level email marketing software which supports email consultancy, email campaign management, and email template design services

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EmailDelivery.com logo
5.0
(1)

Self-hosted email marketing for enterprise & small business.

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EmailDelivery.com is a self-hosted email marketing platform that comes with a proprietary MTA included for sending over your own IP addresses, and also supports SMTP Relay and APIs such as Amazon SES, Mailgun, and Sparkpost.

White label ready for agencies & resellers

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Courier logo
5.0
(1)

A notification management system at scale

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Courier lets businesses design notifications once and deliver them to any channel – push notifications, SMS, direct messages, and email–with a single Courier API. Simply link all of your messaging APIs into the Courier hub and get started.

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Mailsoftly logo
5.0
(1)

Send personalized emails and get higher response rates!

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As a SAAS, Mailsoftly chiefly aims to handle sending personalized email campaigns and essential mailing actions such as statistics, design, automation & testing. As a SAAS, Mailsoftly chiefly aims to handle bulk email sending and other essential mailing actions without any problems. The affordable, user-friendly and personalized email-sending software Mailsoftly presents such main features: Personalized Email, Bulk Action, Detailed Statistics, Transactional Email, Email Collector, and more.

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