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Top Rated Transactional Email Software with Free trial

Last updated: June 2026

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61 software options

Mailgun logo

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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ClickSend logo

Business Communications. Solved

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ClickSend is designed to help businesses send and receive SMS, MMS, voice, email, direct mail, and more within a single platform. Whether it is an SMS blast via the dashboards or automated texts via API, it lets users choose a global SMS gateway and get access to a full communications suite.

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InboxAlly logo

InboxAlly is the Ultimate Email Deliverability Tool!

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InboxAlly is a tool that helps email marketers stop their emails from landing in spam. It does this by teaching email providers to put your messages in the Inbox. This results in a dramatic increase in your open rates and your bottom line.

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SMTP2GO logo

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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Referrizer logo

Lead management and marketing automation software.

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Referrizer is a lead management and marketing automation software that helps businesses capture leads, track customer communication, manage referrals, handle reviews, and more on a centralized platform.

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SendPulse logo

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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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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NeoRed logo

Emails that achieve

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An email marketing solution that helps businesses build lists, segment subscribers, create templates, manage responses, and more.

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Ongage logo

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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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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Mensagia logo

Omnichannel Platform

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Mensagia is a complete marketing software for companies of all kinds that allows you to send Email, SMS and Voice campaigns and features database management, automations, landing pages and forms, API and integrations, and much more.

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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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TextBetter logo

Telephone marketing and landline texting software

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TextBetter is a telephone marketing solution that helps businesses pair landline numbers with email addresses to send or receive text messages. The software allows managers to schedule customizable automated responses, send appointment reminders, and archive messages on a unified dashboard.

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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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Acumbamail logo

Cloud-based tool for email and SMS marketing campaigns

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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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rapidmail logo

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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AIO logo

Omnichannel marketing and digital communication software

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AIO is an on-premise and cloud-based omnichannel marketing software that helps businesses of all sizes manage digital campaigns and streamline client communication through emails, SMS and more.

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Userlist logo

Customer engagement platform to send targeted messages

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Userlist is a cloud-based customer engagement platform that enables enterprises to onboard clients and streamline communication by sending behavior-based notifications to a targeted group via emails or text messages.

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ePigeon logo

Cloud-based email marketing platform for businesses

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ePigeon is a cloud-based email marketing platform that helps businesses schedule and manage campaigns, edit HTML codes, send tests, and more.

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Mailmodo logo

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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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

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Kasplo logo

Set up professional email campaigns that engage your users.

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Through our SMTP configuration create and set up an API key in minutes. Integrate your website and apps fully with our API infrastructure for hassle-free connectivity and optimum performance.

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Zulu eDM logo

Campaign management and marketing automation software

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Zulu eDM is a multi-channel campaign management software designed to help franchises schedule, track, and manage email and SMS marketing operations. It allows multi-business firms to create brand-specific templates, operate several team accounts, add location-specific content for engaging local subscribers, and more.

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realcrux logo

Get a personalized dedicated SMTP server with dedicated IPs

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Get a personalized dedicated SMTP server with dedicated IPs designed for your cold email needs.

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