Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux

Mailpit is the most popular Windows, Mac & Linux alternative to Sendria.
Mailpit is the most popular Open Source & free alternative to Sendria.
- Mailpit is Free and Open Source
Sendria is described as '(formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world' and is a Mail Server in the development category. There are more than 10 alternatives to Sendria for a variety of platforms, including Web-based, Mac, Windows, Linux and BSD apps. The best Sendria alternative is Mailpit, which is both free and Open Source. Other great apps like Sendria are MailHog, MailMug.net, Mailtrap and MailCatcher.

Mailpit is the most popular Windows, Mac & Linux alternative to Sendria.
Mailpit is the most popular Open Source & free alternative to Sendria.
MailHog is an email testing tool inspired by MailCatcher, but easier to install.

Capture SMTP traffic from staging and dev environments. Easily validate email content text or HTML/CSS. Utilize an Email Sandbox to thoroughly examine and troubleshoot emails within staging, development, and quality assurance (QA) environments prior to sending them to recipients...

MailMug.net is the most popular Web-based alternative to Sendria.
Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.



MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.

Email Testing for QA & Development Teams. Catch every email your product sends, analyze it's contents, follow links and test deliverability all via the Mailosaur API.

Mailosaur is the most popular commercial alternative to Sendria.
Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered.


Origami SMTP was created with the idea to have a fake email server for testing purposes that supported TLS. This is because the code the developer was working on at the time had several hard coded values enforcing TLS so most other solutions would not work.






Zyntra is the most popular SaaS alternative to Sendria.
DevMail is an email sandbox service for software developers. It allows developers to capture emails from various environments and inspect HTML, text, source code, raw headers, and attachments, and improve deliverability by analyzing email spam scores.

Mailsnag lets you build resilient SMTP integrations while protecting you from spamming customers during testing on QA and Staging environments. It is like Chaos Monkey for SMTP integrations.



