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Transactional Email Software with Email Monitoring (2026)

Last updated: March 2026

Why is email monitoring important for transactional email software users?

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

Email monitoring ensures email deliverability, tracks engagement metrics like opens and clicks, identifies issues such as bounces, and provides detailed reports. This helps maintain communication standards and optimize email campaigns effectively. Of the 95 reviewers who rated email monitoring, 85% rated this feature as important or highly important.

Key features of transactional email software based on insights from 606 verified reviews

  • Email Distribution: Reviewers appreciate the ease and efficiency of distributing large volumes of emails, with strong deliverability and detailed tracking features. 91% of reviewers rated this feature as important or highly important.
  • API: Users highlight the ease of integration, comprehensive documentation, and reliable performance for sending emails through various applications. 91% of reviewers rated this feature as important or highly important.
  • Simple Mail Transfer Protocol (SMTP): Reviewers value the reliable delivery, ease of setup, and flexibility to integrate with multiple third-party services for transactional emails. 90% of reviewers rated this feature as important or highly important.
  • Reporting/Analytics: Users find detailed tracking and reporting tools helpful for analyzing engagement metrics, deliverability, and campaign effectiveness. 89% of reviewers rated this feature as important or highly important.
  • Email Marketing: Reviewers appreciate the customizable templates, automation features, and detailed analytics for managing and executing email marketing campaigns. 86% of reviewers rated this feature as important or highly important.
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48 software options

Brevo logo
Category Leaders

Automation, marketing & transactional email, and SMS service

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Brevo is a CRM and email marketing solution that helps businesses run multi-channel marketing campaigns across email, WhatsApp, SMS, web push, and Facebook ads. Teams can trigger transactional emails, SMS, and WhatsApp notifications over Brevo SMTP and APIs.

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Constant Contact logo
Category Leaders

Streamlines marketing to grow loyal audiences

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Constant Contact is a digital and email marketing platform that provides tools for creating, sending, and tracking email campaigns. The platform offers customizable email templates, AI writing assistance, and automation features to help businesses reach audience. Additionally, it includes social media marketing capabilities, SMS marketing, and multi-account solutions for organizations managing multiple locations or teams.

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SendPulse logo
Category Leaders

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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Campaign Monitor by Marigold logo

Cross-channel marketing made simple and stress-free

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Campaign Monitor by Marigold is the leading provider of professional-grade email marketing and automation software for growing businesses

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SendGrid logo
Category Leaders

Delivers reliable email at scale for businesses

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SendGrid is a solution that provides a cloud-based email infrastructure to help relieve businesses of the cost and complexity of maintaining custom email systems. It provides email delivery, scalability and real-time analytics along with APIs. The platform also offers SMTP service, email validation, deliverability insights, and dynamic templates, while supporting multiple programming languages including Node.js, Python, and Java.

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SMTP2GO logo
Category Leaders

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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Mailjet logo
Category Leaders

Marketing Email, Transactional Email, Transactional SMS

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With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletter while developers power transactional email via robust API platform.

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Selzy logo

Affordable email marketing software

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Selzy is an intuitive email marketing platform that suits any business needs. It offers a wide range of integrations with your favorite tools, an easy-to-use drag&drop editor, and email templates for any occasion.

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Amazon SES logo

Email service software for marketing teams

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Amazon Simple Email Service is a cloud-based email service solution that uses flexible IP deployment to provide a safe and secure way to send and analyze email communcation. The system comes with analytics tools that measure open and click rates per email, which can be viewed in real time. Additionally, emails can be devliered via bulk methods or indiviudally through trigger based instances.

Read more about Amazon SES

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Mailgun logo
Category Leaders

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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Campaigner logo
Category Leaders

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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Emma by Marigold logo

Multi-channel marketing that works for you.

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Emma by Marigold is an email marketing platform which focuses on segmentation, automation, and an easy-to-use email builder for teams of all sizes to leverage their customer data, increase engagement, and drive more revenue from email. Users can create and collaborate on email campaign content.

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MailUp logo

Email, SMS and Messaging Apps marketing solution

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MailUp is an email and SMS delivery solution. The software allows users to send and design their own promotional, newsletters, transactional emails and SMS, and features database management, email and SMS automation, landing page management, API and integrations, and more.

Read more about MailUp

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UniOne logo

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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Ongage logo
Category Leaders

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.

Read more about Ongage

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Mailtrap logo

Email delivery for fast-growing products that send at scale.

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Email delivery platform for fast-growing product companies.

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MailerSend logo
Category Leaders

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, sender identities and 24/7 support for a comprehensive solution.

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Postmark logo

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.

Read more about Postmark

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ExpertSender logo

Data-driven marketing automation for eCommerce!

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ExpertSender offers a single platform for advanced marketing automation across the most popular email, SMS, mobile and web channels.

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Inxmail logo

Email marketing software to create newsletters & emails

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Inxmail is the service-oriented tech specialist for secure, data-driven communication in email marketing.

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Enginemailer logo

Cloud-based email marketing and campaign management system

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Enginemailer is a cloud platform for email marketing, transactional emails, and automation – built with AI tools, analytics, and secure integrations.

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MassMailer logo

Native email sending to unlimited contacts in Salesforce CRM

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MassMailer is a native email solution for Salesforce CRM that enables users to send unlimited emails, drip campaigns, and email alerts, verify mailing lists, build email templates, and more. Features include email address verification, email success monitoring, and content analysis and optimization.

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Mailmodo logo
Category Leaders

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.

Read more about Mailmodo

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Maileon logo

Newsletter & marketing automation software

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Maileon is an email marketing and automation solution that allows you to send targeted email campaigns to your customers and develop marketing automations. Benefit from numerous powerful features such as personalized sending times, our recommendation engine, AMP mailing support, landing page editors

Read more about Maileon

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Selligent logo

Multi-channel marketing solution fusing insight & engagement

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Selligent is a multi-channel marketing solution for identifying customers, analyzing behavior across channels, and interpreting data with custom reports

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