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Transactional Email Software

Last updated: March 2026

86 software options

Mailgun logo

Mailgun

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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Omnisend logo

Omnisend

Category Leaders

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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Mailchimp logo
Category Leaders

Email and SMS marketing automation platform

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Mailchimp is an email and SMS marketing platform that combines artificial intelligence with marketing automation capabilities. The platform features a drag-and-drop builder, content creation tools, and audience management functions to help businesses design and distribute marketing campaigns across multiple channels.

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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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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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GetResponse logo
Category Leaders

Cloud-based email marketing platform

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An email marketing tool that helps business owners build permission-based mailing lists, maximize conversions with email automation and responsive design and create a landing page. GetResponse features include video email marketing, email-to-speech, and a custom form builder.

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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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Acumbamail logo
Category Leaders

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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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.

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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.

Read more about Campaigner

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Getsitecontrol logo

Emails | Popups | Automations

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Getsitecontrol is an email marketing platform for small and medium-sized ecommerce brands.

It brings a complete email marketing toolset with a powerful popup builder on board. Generate leads and segment your audience, send professional newsletters, build email marketing automations.

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Escala logo

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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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.

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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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ReachMail logo

Web-based email message creation and campaign marketing tool

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ReachMail is a web-based email marketing solution designed to meet the needs of small and medium-sized businesses, offering scalable pricing plans and features which include campaign creation and management, social media sharing, custom templates, a survey builder, spam checking, and reporting

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emBlue logo

Integrate channels, become omnichannel

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Segment your audience based on interests, activity in your campaigns, or behaviors on your website. Then, create effective remarketing campaigns and increase your results.

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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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Popular transactional email comparisons

Mailchimp logo
Constant Contact logo
MailchimpvsConstant Contact
Brevo logo
Mailchimp logo
BrevovsMailchimp
Constant Contact logo
Mailchimp logo
Constant ContactvsMailchimp
Omnisend logo
Mailchimp logo
OmnisendvsMailchimp
SendPulse logo
Mailchimp logo
SendPulsevsMailchimp
SendGrid logo
Mailchimp logo
SendGridvsMailchimp
GetResponse logo
Mailchimp logo
GetResponsevsMailchimp
Campaign Monitor by Marigold logo
Mailchimp logo
Campaign Monitor by MarigoldvsMailchimp
Mailjet logo
Mailchimp logo
MailjetvsMailchimp