

Mailtrap is described as 'Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance' and is a Mail Server in the development category. There are more than 25 alternatives to Mailtrap, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and SaaS apps. The best Mailtrap alternative is MailHog, which is both free and Open Source. Other great sites and apps similar to Mailtrap are Mailpit, Mailcatch.app, FakeSMTP and MailMug.net.


QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc. Integrates with your CI/CD workflow. Includes spam testing.



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.


Mailnest is an all in one email QA tool for development & testing teams in IT companies to test & improve email functionality.




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.


LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications.



Sendria (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.





Imitate Email is a fake SMTP server for developers and testers. It includes an embeddable widget so that testers can quickly see sent emails alongside the app they're testing.
