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Mailpit

Communication & Email

A lightweight SMTP server with a web UI and API for capturing and testing emails during development

Track releases GitHub Website
Go Latest v1.30.1 · 6d ago Security brief →

Features

  • Runs as a single static binary or Docker container across multiple platforms
  • Provides a modern web interface to view, search, and inspect captured emails (HTML, text, headers, attachments)
  • Offers a REST API for automated integration testing of email functionality

Recent releases

View all 30 releases →
Review required
v1.30.1 Security relevant
Dependencies

Security hardening + config updates

Open
Upgrade now
v1.30.0 Security relevant
Auth RCE / SSRF

Message size limit + security fixes

Open
Upgrade now
v1.29.7 Security relevant
Dependencies

Dependency security update

Open
Review required
v1.29.5 Mixed
Auth

Sandbox iframe + VACUUM toggle

Open
No immediate action
v1.29.4 Mixed

Header filter + dependency updates + webhook refactor

Open

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About

Stars
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Forks
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Languages
Go Vue JavaScript
View on GitHub Homepage Documentation

Install & Platforms

Install via
brew shell-script binary
Platforms
linux macos windows

Similar tools

wildduck
relay
cypht
Modoboa
Eonvelope

Alternative to

MailHog

Beta — feedback welcome: [email protected]