# Page 2 | Best Transactional Email Software 2026 | Capterra > Page 2 - 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 --- # Best Transactional Email Software - Page 2 [## MailerSend](https://www.capterra.com/p/214665/MailerSend/) [4.4 (59)](https://www.capterra.com/p/214665/MailerSend/reviews/) [Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/) An easily scalable transactional messaging service that developers can set up in minutes and the whole team can contribute to.  [Learn more about MailerSend](https://www.capterra.com/p/214665/MailerSend/) 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 [## MDirector](https://www.capterra.com/p/145072/Mdirector/) [4.5 (49)](https://www.capterra.com/p/145072/Mdirector/reviews/) MDirector automates transactional emails, ensuring personalized and timely communication like order confirmations and updates.  [Learn more about MDirector](https://www.capterra.com/p/145072/Mdirector/) 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 [## Critical Impact](https://www.capterra.com/p/154972/Critical-Impact/) [4.5 (44)](https://www.capterra.com/p/154972/Critical-Impact/reviews/) With Critical Impact you will be able to create automated email campaigns, track subscriber journey from emails to website, and more!! [Learn more about Critical Impact](https://www.capterra.com/p/154972/Critical-Impact/) 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 [## Ongage](https://www.capterra.com/p/131900/OngageConnect/) [4.8 (38)](https://www.capterra.com/p/131900/OngageConnect/reviews/) [Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/) An end-to-end email marketing platform for advanced email operations, transactional emails, and data-driven growth. [Learn more about Ongage](https://www.capterra.com/p/131900/OngageConnect/) 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 [## NeoRed](https://www.capterra.com/p/252057/NeoRed/) [4.8 (36)](https://www.capterra.com/p/252057/NeoRed/#reviews) Email marketing automation platform, efficient integrations and total deliverability. Focus on your results. [Learn more about NeoRed](https://www.capterra.com/p/252057/NeoRed/) 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 [## Postmark](https://www.capterra.com/p/254711/Postmark/) [4.7 (35)](https://www.capterra.com/p/254711/Postmark/reviews/) Fast and reliable email delivery service focused on incredible customer service. [Learn more about Postmark](https://www.capterra.com/p/254711/Postmark/) 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 [## SparkPost](https://www.capterra.com/p/82543/SparkPost/) [3.7 (35)](https://www.capterra.com/p/82543/SparkPost/reviews/) The world's first predictive email intelligence platform, enabling businesses to predict and optimize email performance. [Learn more about SparkPost](https://www.capterra.com/p/82543/SparkPost/) 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 [## Mailtrap](https://www.capterra.com/p/210463/Mailtrap/) [4.8 (34)](https://www.capterra.com/p/210463/Mailtrap/reviews/) Email delivery platform designed for product companies that send big. [Learn more about Mailtrap](https://www.capterra.com/p/210463/Mailtrap/) 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 [## Mensagia](https://www.capterra.com/p/240278/Mensagia/) [4.8 (33)](https://www.capterra.com/p/240278/Mensagia/#reviews) Mensagia is an omnichannel platform that allows you to contact your customers via Email, SMS and Voice campaigns. [Learn more about Mensagia](https://www.capterra.com/p/240278/Mensagia/) 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 [## MassMailer](https://www.capterra.com/p/166422/MassMailer/) [4.6 (33)](https://www.capterra.com/p/166422/MassMailer/reviews/) Native Salesforce CRM based email marketing tool that assists users with template creation, campaigns and reputation management. [Learn more about MassMailer](https://www.capterra.com/p/166422/MassMailer/) 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 [## Enginemailer](https://www.capterra.com/p/176788/Enginemailer/) [4.7 (29)](https://www.capterra.com/p/176788/Enginemailer/reviews/) Enginemailer is an integrated cloud platform that offers database management, email marketing and transactional email solutions. [Learn more about Enginemailer](https://www.capterra.com/p/176788/Enginemailer/) 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 [## ExpertSender](https://www.capterra.com/p/170680/ExpertSender/) [4.9 (28)](https://www.capterra.com/p/170680/ExpertSender/reviews/) ExpertSenders Multichannel Messaging Hub. Campaigns, Marketing Automation: Email, SMS, Web Push and more. [Learn more about ExpertSender](https://www.capterra.com/p/170680/ExpertSender/) 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 [## rapidmail](https://www.capterra.com/p/131901/rapidmail/) [4.6 (27)](https://www.capterra.com/p/131901/rapidmail/reviews/) Anyone can create and send successful newsletters with rapidmail. Easy to use even without any in-depth marketing knowledge. [Learn more about rapidmail](https://www.capterra.com/p/131901/rapidmail/) 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 [## Mailmodo](https://www.capterra.com/p/248312/Mailmodo/) [4.6 (27)](https://www.capterra.com/p/248312/Mailmodo/reviews/) [Capterra Shortlist](https://www.capterra.com/transactional-email-software/shortlist/) Mailmodo, a new-age email marketing tool, helps you get higher email conversions by adding interactive app-like elements inside emails [Learn more about Mailmodo](https://www.capterra.com/p/248312/Mailmodo/) 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 [## iPost](https://www.capterra.com/p/31511/iMM/) [4.5 (26)](https://www.capterra.com/p/31511/iMM/reviews/) iPost is an email platform built for Franchises, Gaming & Casinos, Agencies, Associations, Restaurants, Media, Publishing,& Retail [Learn more about iPost](https://www.capterra.com/p/31511/iMM/) 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 [## ROUTEE](https://www.capterra.com/p/171059/ROUTEE/) [4.0 (23)](https://www.capterra.com/p/171059/ROUTEE/reviews/) Free email templates, email automation, high deliverability, Easy-to-use platform, email API, SMTP, fully documented [Learn more about ROUTEE](https://www.capterra.com/p/171059/ROUTEE/) 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 [## ePigeon](https://www.capterra.com/p/264647/ePigeon/) [4.6 (20)](https://www.capterra.com/p/264647/ePigeon/reviews/) Epigeon is an email marketing platform that allows you to send and manage your emailing campaigns [Learn more about ePigeon](https://www.capterra.com/p/264647/ePigeon/) 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 [## EmailLabs](https://www.capterra.com/p/180205/EmailLabs/) [4.9 (18)](https://www.capterra.com/p/180205/EmailLabs/reviews/) Performance Suited To Your Needs. Email deliverability that's Smarter, Faster, and Safer. [Learn more about EmailLabs](https://www.capterra.com/p/180205/EmailLabs/) 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 [## Maileon](https://www.capterra.com/p/193254/Maileon/) [4.6 (17)](https://www.capterra.com/p/193254/Maileon/reviews/) Extensive and scalable email marketing & marketing automation software. Maileon offers all the tools needed to reach marketing success. [Learn more about Maileon](https://www.capterra.com/p/193254/Maileon/) 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 [## Rocketmailer](https://www.capterra.com/p/246122/Rocketmailer/) [4.6 (17)](https://www.capterra.com/p/246122/Rocketmailer/reviews/) Rocketmailer is an Email, SMS & voice broadcasting marketing software solution to manage newsletter and bulk messaging campaigns [Learn more about Rocketmailer](https://www.capterra.com/p/246122/Rocketmailer/) 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 [## Aritic Pinpoint](https://www.capterra.com/p/161540/Aritic/) [4.5 (17)](https://www.capterra.com/p/161540/Aritic/reviews/) Full-stack Automation Software Platform to Your Business [Learn more about Aritic Pinpoint](https://www.capterra.com/p/161540/Aritic/) 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 [## Selligent](https://www.capterra.com/p/164255/Selligent/) [4.6 (15)](https://www.capterra.com/p/164255/Selligent/reviews/) Selligent is a multi-channel platform that blends insight and engagement to meet consumers' needs moment by moment. [Learn more about Selligent](https://www.capterra.com/p/164255/Selligent/) 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 [## Maropost](https://www.capterra.com/p/147905/Maropost-Marketing-Cloud/) [3.9 (15)](https://www.capterra.com/p/147905/Maropost-Marketing-Cloud/reviews/) Whether you send 10 or 10,000 transactional emails a day you can rely on Maropost to hit the inbox of your audience without delay. [Learn more about Maropost](https://www.capterra.com/p/147905/Maropost-Marketing-Cloud/) 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 [## TextBetter](https://www.capterra.com/p/206592/Business-Texting/) [5.0 (14)](https://www.capterra.com/p/206592/Business-Texting/reviews/) Send/receive individual or personalized mass texts via your existing number. It's easy, flexible & affordable + inbound texts are free. [Learn more about TextBetter](https://www.capterra.com/p/206592/Business-Texting/) 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 [## RetainIQ](https://www.capterra.com/p/265323/RetainIQ/) [4.8 (14)](https://www.capterra.com/p/265323/RetainIQ/reviews/) Cloud-based tool that lets businesses establish automated email flows and use customizable templates to deliver them to the customers. [Learn more about RetainIQ](https://www.capterra.com/p/265323/RetainIQ/) 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 [## CrowdPower](https://www.capterra.com/p/206723/CrowdPower/) [4.6 (13)](https://www.capterra.com/p/206723/CrowdPower/reviews/) CrowdPower is a simple automation platform that can onboard new users, reduce churn, keep your customers informed, and so much more. [Learn more about CrowdPower](https://www.capterra.com/p/206723/CrowdPower/) 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 [## SocketLabs](https://www.capterra.com/p/90148/SocketLabs-Email-On-Demand/) [4.5 (13)](https://www.capterra.com/p/90148/SocketLabs-Email-On-Demand/reviews/) Easy, reliable email delivery service for marketing and transactional applications. Fast and easy setup. Try SocketLabs for free. [Learn more about SocketLabs](https://www.capterra.com/p/90148/SocketLabs-Email-On-Demand/) 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 [## APSIS One](https://www.capterra.com/p/246381/APSIS-One/) [3.6 (12)](https://www.capterra.com/p/246381/APSIS-One/reviews/) APSIS One is an easy-to-use platform for Email, Marketing Automation, SMS, Website Personalisation, AI, Event management and more.  [Learn more about APSIS One](https://www.capterra.com/p/246381/APSIS-One/) 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 [## KingMailer](https://www.capterra.com/p/162836/Kingmailer/) [4.5 (11)](https://www.capterra.com/p/162836/Kingmailer/reviews/) KingSMTP is a cloud SMTP service for reliable transactional emails, including notifications, invoices, and system alerts. [Learn more about KingMailer](https://www.capterra.com/p/162836/Kingmailer/) 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 [## Sailthru](https://www.capterra.com/p/155116/Sailthru-Customer-Retention-Cloud/) [3.9 (11)](https://www.capterra.com/p/155116/Sailthru-Customer-Retention-Cloud/reviews/) Marketing personalization platform with omnichannel data collection, customer profiles building, and analytics. [Learn more about Sailthru](https://www.capterra.com/p/155116/Sailthru-Customer-Retention-Cloud/) 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 [## YayMail](https://www.capterra.com/p/227763/YayMail/) [4.9 (10)](https://www.capterra.com/p/227763/YayMail/reviews/) The WooCommerce email customizer that helps businesses design email templates, preview, send test, and increase repeat sales. [Learn more about YayMail](https://www.capterra.com/p/227763/YayMail/) 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 [## AIO](https://www.capterra.com/p/264483/AIO/) [4.9 (9)](https://www.capterra.com/p/264483/AIO/reviews/) Web-based communication platform that helps marketers create campaigns via drag and drop interface, send updates on WhatsApp, and more. [Learn more about AIO](https://www.capterra.com/p/264483/AIO/) 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 [## Mailazy](https://www.capterra.com/p/252280/Mailazy/) [4.7 (9)](https://www.capterra.com/p/252280/Mailazy/reviews/) Mailazy is all-in-one cloud-based transaction email delivery platform, trusted by 145+ companies to send contextual emails in seconds.  [Learn more about Mailazy](https://www.capterra.com/p/252280/Mailazy/) 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 [## Kasplo](https://www.capterra.com/p/255282/Kasplo/) [4.8 (8)](https://www.capterra.com/p/255282/Kasplo/reviews/) The No 1. economical and effective email delivery engine. [Learn more about Kasplo](https://www.capterra.com/p/255282/Kasplo/) 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 [## Custobar](https://www.capterra.com/p/197075/Custobar/) [4.4 (8)](https://www.capterra.com/p/197075/Custobar/reviews/) Boost sales and bring your customers closer with Custobar. All data sources into one service to create the marketing segment of one. [Learn more about Custobar](https://www.capterra.com/p/197075/Custobar/) 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 [## SMTP](https://www.capterra.com/p/180513/SMTP/) [3.5 (8)](https://www.capterra.com/p/180513/SMTP/reviews/) We help businesses send billions of emails every month to their customers using our secure and scalable email delivery platform. [Learn more about SMTP](https://www.capterra.com/p/180513/SMTP/) 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 [## Maileroo](https://www.capterra.com/p/10016714/Maileroo/) [5.0 (7)](https://www.capterra.com/p/10016714/Maileroo/#reviews) Maileroo provides fast, reliable SMTP Relay and email marketing. Personalize campaigns, track in real time, and enhance deliverability. [Learn more about Maileroo](https://www.capterra.com/p/10016714/Maileroo/) 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 [## Userlist](https://www.capterra.com/p/209961/Userlist/) [5.0 (6)](https://www.capterra.com/p/209961/Userlist/#reviews) Send targeted behavior-based email campaigns to your SaaS customers. Deliver the right information when your users need it the most. [Learn more about Userlist](https://www.capterra.com/p/209961/Userlist/) 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 [## Growlytics](https://www.capterra.com/p/199785/Growlytics/) [4.8 (6)](https://www.capterra.com/p/199785/Growlytics/#reviews) Engage with customers across Email, SMS, Whatsapp, Push notifications, and more with advanced segmentation & omnichannel user workflows [Learn more about Growlytics](https://www.capterra.com/p/199785/Growlytics/) 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 [## InboxAlly](https://www.capterra.com/p/237293/InboxAlly/) [4.8 (6)](https://www.capterra.com/p/237293/InboxAlly/#reviews) InboxAlly helps repair and protect your email sender reputation and ensure your emails are delivered in the inbox. [Learn more about InboxAlly](https://www.capterra.com/p/237293/InboxAlly/) 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 [## Doppler](https://www.capterra.com/p/199491/Doppler/) [4.5 (6)](https://www.capterra.com/p/199491/Doppler/#reviews) Automate email marketing campaigns, measure their results and optimize your future campaigns. [Learn more about Doppler](https://www.capterra.com/p/199491/Doppler/) 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 [## Magileads](https://www.capterra.com/p/185415/Magileads/) [4.8 (5)](https://www.capterra.com/p/185415/Magileads/#reviews) The omnichannel platform for customer acquisition and loyalty, integrating contacts and tools to generate engagement with B2B prospects [Learn more about Magileads](https://www.capterra.com/p/185415/Magileads/) 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 [## Zulu eDM](https://www.capterra.com/p/159945/Zulu-eDM/) [5.0 (4)](https://www.capterra.com/p/159945/Zulu-eDM/#reviews) Zulu Trusted Sender Automated Email Reputation Management & SMTP Email API Gateway. [Learn more about Zulu eDM](https://www.capterra.com/p/159945/Zulu-eDM/) 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 [## realcrux](https://www.capterra.com/p/219311/Adcrux/) [5.0 (4)](https://www.capterra.com/p/219311/Adcrux/#reviews) Realcrux builds sophisticated dedicated SMTP servers to send cold emails and achieve outstanding open and click-through rates [Learn more about realcrux](https://www.capterra.com/p/219311/Adcrux/) 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 [## 360NRS](https://www.capterra.com/p/218234/360NRS/) [4.8 (4)](https://www.capterra.com/p/218234/360NRS/#reviews) A unique platform for bulk communication with your clients and in an automated way. An easy, fast and economical. [Learn more about 360NRS](https://www.capterra.com/p/218234/360NRS/) 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 [## Mail Merge Toolkit](https://www.capterra.com/p/234094/Mail-Merge-Toolkit/) [4.8 (4)](https://www.capterra.com/p/234094/Mail-Merge-Toolkit/#reviews) It is a mail merge solution that helps businesses send personalized mass emails from Microsoft Outlook. [Learn more about Mail Merge Toolkit](https://www.capterra.com/p/234094/Mail-Merge-Toolkit/) 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 [## Zoho ZeptoMail](https://www.capterra.com/p/236582/ZeptoMail/) [4.0 (4)](https://www.capterra.com/p/236582/ZeptoMail/#reviews) ZeptoMail (formerly TransMail) is a dedicated transactional email sending service by Zoho. [Learn more about Zoho ZeptoMail](https://www.capterra.com/p/236582/ZeptoMail/) 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 [## SendPost](https://www.capterra.com/p/218757/SendPost/) [5.0 (3)](https://www.capterra.com/p/218757/SendPost/#reviews) Email API and SMTP relay to reliably deliver emails to your customer's inboxes on time, every time. [Learn more about SendPost](https://www.capterra.com/p/218757/SendPost/) 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 [## Postman SMTP](https://www.capterra.com/p/10005141/Postman-SMTP/) [4.7 (3)](https://www.capterra.com/p/10005141/Postman-SMTP/#reviews) Postman SMTP is a WorkdPress plugin offering user-friendly SMTP tolls for all emails. [Learn more about Postman SMTP](https://www.capterra.com/p/10005141/Postman-SMTP/) 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 [## Spotler SendPro](https://www.capterra.com/p/192384/Flowmailer/) [4.3 (3)](https://www.capterra.com/p/192384/Flowmailer/#reviews) Make sure your emails arrive on time with our highly reliable and fast email delivery platform. [Learn more about Spotler SendPro](https://www.capterra.com/p/192384/Flowmailer/) 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 Page 2 of 3 ## Top-rated software of 2026 ### Fill out the form and we'll send a list of the top-rated software based on real user reviews directly to your inbox. Filter (105) Products: Sort By: Sponsored * * * Plan Type Free Trial Popular 85% of professionals opt for a 30-day trial before the software purchase Other subsciption plans: Free Version Monthly Subscription Annual Subscription One-Time License Key Features All key features Popular We have selected the most important and critical features as defined by Capterra user reviews A/B Testing AI Copilot API Autoresponders Click Tracking Contact Database Customer Segmentation Dynamic Content Email Management Email Tracking Event Triggered Actions Generative AI List Management Message Personalization Reporting/Analytics Simple Mail Transfer Protocol (SMTP) Template Management Third-Party Integrations Deployment Cloud, SaaS, Web-Based Desktop Mac Desktop Windows Desktop Linux On-Premise Windows On-Premise Linux Desktop Chromebook Mobile Android Mobile iPhone Mobile iPad Related Software Category: [Email Marketing Software](https://www.capterra.com/email-marketing-software/)[Marketing Automation Software](https://www.capterra.com/marketing-automation-software/)[Email Verification Tools Software](https://www.capterra.com/email-verification-tools-software/)[Email Management Software](https://www.capterra.com/email-management-software/)[Conversational Marketing Platform Software](https://www.capterra.com/conversational-marketing-platform-software/)[Direct Mail Automation Software](https://www.capterra.com/direct-mail-automation-software/)[SMS Survey Software](https://www.capterra.com/sms-survey-software/)[SMS Marketing Software](https://www.capterra.com/sms-marketing-software/)[Social Media Management Software](https://www.capterra.com/social-media-management-software/)[Push Notifications Software](https://www.capterra.com/push-notifications-software/)