# Best Transactional Email Software 2026 | Capterra

> Find the top Transactional Email software of 2026 on Capterra. Based on millions of verified user reviews - compare and filter for whats important to you to find the best tools for your needs.

Source: https://www.capterra.com/transactional-email-software

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# Best Transactional Email Software

For more information consult our [Transactional Email Buyers Guide](#buyers-guide-content)

[4.3 (197)](https://www.capterra.com/p/159630/Mailgun/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Transactional emails are emails triggered by a user's actions within an application or website, maintaining customer relationships. [Learn more about Mailgun](https://www.capterra.com/p/159630/Mailgun/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Mailchimp](https://www.capterra.com/p/110228/MailChimp/)

[4.5 (17587)](https://www.capterra.com/p/110228/MailChimp/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Mailchimp Transactional: API-first email & SMS with 99% delivery, sub-second speed, and 99.99% uptime — from startup to enterprise. [Learn more about Mailchimp](https://www.capterra.com/p/110228/MailChimp/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Brevo](https://www.capterra.com/p/132996/brevo/)

[4.6 (3418)](https://www.capterra.com/p/132996/brevo/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Brevo, is the leading customer relationship management (CRM) suite. [Learn more about Brevo](https://www.capterra.com/p/132996/brevo/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

86% recommend this product

[## Constant Contact](https://www.capterra.com/p/31898/Constant-Contact/)

[4.3 (2917)](https://www.capterra.com/p/31898/Constant-Contact/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

We deliver the tools to simplify and amplify digital marketing and drive results for your business. [Learn more about Constant Contact](https://www.capterra.com/p/31898/Constant-Contact/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Omnisend](https://www.capterra.com/p/153508/Omnisend/)

[4.7 (836)](https://www.capterra.com/p/153508/Omnisend/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

150k+ Shopify, WooCommerce, and Wix ecommerce stores scale their business with Omnisend’s powerful email & SMS marketing platform. [Learn more about Omnisend](https://www.capterra.com/p/153508/Omnisend/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

85% recommend this product

[## SendPulse](https://www.capterra.com/p/146369/SendPulse/)

[4.6 (773)](https://www.capterra.com/p/146369/SendPulse/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Send transactional emails via SMTP or API. See detailed stats about opens, clicks and unsubscribes. Send 12,000 free emails each month. [Learn more about SendPulse](https://www.capterra.com/p/146369/SendPulse/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

83% recommend this product

[## SendGrid](https://www.capterra.com/p/204113/SendGrid/)

[4.2 (753)](https://www.capterra.com/p/204113/SendGrid/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Twilio SendGrid is the leading cloud-based email delivery platform, trusted by the world's fastest-growing brands. [Learn more about SendGrid](https://www.capterra.com/p/204113/SendGrid/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## GetResponse](https://www.capterra.com/p/153948/GetResponse/)

[4.2 (521)](https://www.capterra.com/p/153948/GetResponse/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Order confirmations, receipts, reminders, and marketing emails in one place so you can keep customers informed—and ready to buy again. [Learn more about GetResponse](https://www.capterra.com/p/153948/GetResponse/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Campaign Monitor by Marigold](https://www.capterra.com/p/76928/Campaign-Monitor/)

[4.5 (505)](https://www.capterra.com/p/76928/Campaign-Monitor/reviews/)

Campaign Monitor by Marigold is an email marketing tool that enables anyone to send beautiful, targeted, and effective email campaigns. [Learn more about Campaign Monitor by Marigold](https://www.capterra.com/p/76928/Campaign-Monitor/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Mailjet](https://www.capterra.com/p/130105/Mailjet/)

[4.2 (453)](https://www.capterra.com/p/130105/Mailjet/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

The best email marketing software that’s built for devs and loved by marketers [Learn more about Mailjet](https://www.capterra.com/p/130105/Mailjet/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Campaigner](https://www.capterra.com/p/266291/Campaigner/)

[3.9 (428)](https://www.capterra.com/p/266291/Campaigner/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

All the basic and advanced email marketing features you need to grow your business without added marketing suite expense. [Learn more about Campaigner](https://www.capterra.com/p/266291/Campaigner/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Referrizer](https://www.capterra.com/p/144990/Referral-Marketing-Automation/)

[4.8 (196)](https://www.capterra.com/p/144990/Referral-Marketing-Automation/reviews/)

Automated system to empower local businesses by generating new customers using referral marketing. [Learn more about Referrizer](https://www.capterra.com/p/144990/Referral-Marketing-Automation/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

89% recommend this product

[## SMTP2GO](https://www.capterra.com/p/166646/SMTP2GO/)

[4.9 (178)](https://www.capterra.com/p/166646/SMTP2GO/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

With SMTP2GO we put the 'R' in reliable - we get your transactional emails into inboxes at speeds that light beams can only envy.  [Learn more about SMTP2GO](https://www.capterra.com/p/166646/SMTP2GO/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

91% recommend this product

[## Emma by Marigold](https://www.capterra.com/p/75428/Emma/)

[4.2 (156)](https://www.capterra.com/p/75428/Emma/reviews/)

Emma by Marigold makes it easy for teams of all sizes to create and collaborate on campaigns that drive conversions and revenue. [Learn more about Emma by Marigold](https://www.capterra.com/p/75428/Emma/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Acumbamail](https://www.capterra.com/p/195838/Acumbamail/)

[4.6 (155)](https://www.capterra.com/p/195838/Acumbamail/reviews/)

[Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/)

Acumbamail is email marketing software that enables users to design and publish email, SMS, and landing page campaigns quickly. [Learn more about Acumbamail](https://www.capterra.com/p/195838/Acumbamail/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

85% recommend this product

[## Amazon SES](https://www.capterra.com/p/179662/Amazon-SES/)

[4.7 (123)](https://www.capterra.com/p/179662/Amazon-SES/reviews/)

Amazon Simple Email Service helps developers and marketers send and receive marketing and transactional emails. [Learn more about Amazon SES](https://www.capterra.com/p/179662/Amazon-SES/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Selzy](https://www.capterra.com/p/255420/Selzy/)

[4.8 (116)](https://www.capterra.com/p/255420/Selzy/reviews/)

Selzy is an ecosystem of easy-to-use marketing automation tools that helps small and medium businesses grow. [Learn more about Selzy](https://www.capterra.com/p/255420/Selzy/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

91% recommend this product

[## MailUp](https://www.capterra.com/p/127970/MailUp/)

[4.4 (94)](https://www.capterra.com/p/127970/MailUp/reviews/)

MailUp is a simple and scalable solution to create, automate and customize Email, SMS Messaging Apps marketing campaigns. [Learn more about MailUp](https://www.capterra.com/p/127970/MailUp/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## ClickSend](https://www.capterra.com/p/175783/ClickSend/)

[4.3 (93)](https://www.capterra.com/p/175783/ClickSend/reviews/)

Send targeted messages whenever your customers complete an action by integrating with the ClickSend Transactional Email API. [Learn more about ClickSend](https://www.capterra.com/p/175783/ClickSend/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## emBlue](https://www.capterra.com/p/150149/emBlue/)

[4.4 (91)](https://www.capterra.com/p/150149/emBlue/reviews/)

SaaS designed for medium and big companies. A powerful but also easy tool to manage user behavior and email marketing actions. [Learn more about emBlue](https://www.capterra.com/p/150149/emBlue/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Getsitecontrol](https://www.capterra.com/p/138259/GetSiteControl/)

[4.7 (79)](https://www.capterra.com/p/138259/GetSiteControl/reviews/)

Getsitecontrol is an email marketing platform with a clean interface, clear setup, and predictable pricing. [Learn more about Getsitecontrol](https://www.capterra.com/p/138259/GetSiteControl/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## ReachMail](https://www.capterra.com/p/135245/ReachMail/)

[4.6 (70)](https://www.capterra.com/p/135245/ReachMail/reviews/)

Extremely flexible and easy-to-use email marketing platform with outstanding features and customer service. [Learn more about ReachMail](https://www.capterra.com/p/135245/ReachMail/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Escala](https://www.capterra.com/p/275431/Escala/)

[4.7 (69)](https://www.capterra.com/p/275431/Escala/reviews/)

Escala is the all-in-one CRM that will help you accelerate the success of your business [Learn more about Escala](https://www.capterra.com/p/275431/Escala/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## Inxmail](https://www.capterra.com/p/163590/Inxmail/)

[4.2 (64)](https://www.capterra.com/p/163590/Inxmail/reviews/)

Inxmail is the service-oriented tech specialist for secure, data-driven communication in email marketing. [Learn more about Inxmail](https://www.capterra.com/p/163590/Inxmail/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

[## UniOne](https://www.capterra.com/p/208470/UniOne/)

[4.7 (59)](https://www.capterra.com/p/208470/UniOne/reviews/)

An email solution enabling transactional and bulk emails to be automated and easy for businesses to use. [Learn more about UniOne](https://www.capterra.com/p/208470/UniOne/)

Transactional Email features reviewers most value

API

Contact Database

Email Management

Email Tracking

Event Triggered Actions

List Management

Reporting/Analytics

Simple Mail Transfer Protocol (SMTP)

Third-Party Integrations

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