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

Mailpit is the most popular Windows, Mac & Linux alternative to Mailisk.
Mailpit is the most popular Open Source & free alternative to Mailisk.
- Mailpit is Free and Open Source
Mailisk is described as 'E2E email testing platform. It allows you to receive emails with code and automate email flows. You get a unique subdomain and access to unlimited custom email addresses' and is a automated testing tool in the development category. There are eight alternatives to Mailisk, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and SaaS apps. The best Mailisk alternative is Mailpit, which is both free and Open Source. Other great sites and apps similar to Mailisk are MailHog, MailMug.net, Mailtrap and Mailosaur.

Mailpit is the most popular Windows, Mac & Linux alternative to Mailisk.
Mailpit is the most popular Open Source & free alternative to Mailisk.
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 Mailisk.
Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.



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 Mailisk.




Zyntra is the most popular SaaS alternative to Mailisk.
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.




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.
