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

Mailpit is the most popular Windows, Mac & Linux alternative to SMTP Bucket.
Mailpit is the most popular Open Source & free alternative to SMTP Bucket.
- Mailpit is Free and Open Source
SMTP Bucket is described as 'A fake SMTP server for e-mail integration testing. We capture all the e-mails we receive and make them available via our website and REST API' and is an website in the development category. There are more than 10 alternatives to SMTP Bucket, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and BSD apps. The best SMTP Bucket alternative is Mailpit, which is both free and Open Source. Other great sites and apps similar to SMTP Bucket are MailHog, Papercut, FakeSMTP and MailCatcher.

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

Papercut is a simplified SMTP server designed to only receive messages (not to send them on) with a GUI on top of it allowing you to see the messages it receives.




FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java.



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 Web-based alternative to SMTP Bucket.
Mailosaur is the most popular commercial alternative to SMTP Bucket.
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.



MailDev is a simple way to test your project's generated emails during development with an easy to use web interface that runs on your machine built on top of Node.js.

MailDev is the most popular Self-Hosted alternative to SMTP Bucket.




Zyntra is the most popular SaaS alternative to SMTP Bucket.
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.
