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Transactional Email Software

Last updated: April 2026

86 software options

Mailgun logo

Mailgun

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

ClickSend

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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Omnisend logo

Omnisend

Drives revenue via automated eCommerce marketing

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Trusted by 150k+ ecommerce businesses, Omnisend’s all-in-one email marketing & SMS tool automates your marketing across the entire customer journey. Build customer relationships & drive sales on autopilot. 1-click integrations with Shopify, BigCommerce, WooCommerce, Wix & more.

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InboxAlly logo

InboxAlly

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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Postman SMTP logo

Postman SMTP

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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Cheetah Digital logo

Cheetah Digital

Enterprise Multi-channel Campaign Management

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With Cheetah Digital, no list is too big, no data too complex. Put your data to use by letting it drive the action to better engage with your audience and cultivate their loyalty.

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Constant Contact logo

Constant Contact

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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NeoRed logo

NeoRed

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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Escala logo

Escala

CRM and marketing automation platform

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Escala is a marketing automation platform that helps businesses manage customers and streamline ad campaigns. Users can create landing pages and forms by customizing templates and publishing them according to requirements.

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MailUp logo

MailUp

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.

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360NRS logo

360NRS

360nrs is a customer messaging platform SMS, Email, WhatsApp

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360nrs is an omnichannel messaging platform that helps businesses create, automate, and manage customer communications across SMS, Email, WhatsApp, and Voice—supporting personalized, scalable campaigns and transactional notifications from a single interface.

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Lettr logo

Lettr

(0)

Cloud-based transactional email API for artisans

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Lettr is a transactional email platform with HTTP API + SMTP relay, real-time webhooks, analytics, and a visual template editor with version history and a draft/publish workflow for teams.

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Amazon SES logo

Amazon SES

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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Zulu eDM logo

Zulu eDM

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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ePigeon logo

ePigeon

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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Mailsoftly logo

Mailsoftly

Send personalized emails and get higher response rates!

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Send important emails—like receipts, alerts, and password resets—fast, reliably, and without headaches.

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Mailazy logo

Mailazy

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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EmailDelivery.com logo

EmailDelivery.com

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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SMTP2GO logo

SMTP2GO

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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Zoho ZeptoMail logo

Zoho ZeptoMail

Transactional Email Sending Service

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ZeptoMail is a transactional email sending service.

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Aritic Pinpoint logo

Aritic Pinpoint

Marketing automation platform for SME & mid-enterprise

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Aritic platform is a full-stack automation platform that includes marketing automation, communication automation, CRM application, service desk application and business automation stack designed for B2B companies. The Aritic platform has five major products under its wings.

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realcrux logo

realcrux

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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TextBetter logo

TextBetter

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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Doppler logo

Doppler

Marketing automation tool with forms, email & SMS campaigns

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Doppler is an email marketing platform designed to help businesses engage with customers using customizable forms, pre-defined templates, personalized communications, and SMS campaigns. Some features include an HTML editor, A/B testing capabilities, real-time reports, a centralized dashboard, and permission management.

Read more about Doppler

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Campaign Monitor by Marigold logo

Campaign Monitor by Marigold

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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Popular transactional email comparisons

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Mailjet logo
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