Mailpit
Communication & EmailA small, fast email testing tool & API for developers that captures SMTP traffic via a single binary or Docker image.
Features
- Runs as a single static binary or multi‑architecture Docker container
- Provides a modern web UI with advanced search and real‑time WebSocket updates
- Offers an HTTP/REST API for automated integration testing
- Supports SMTP, optional STARTTLS/SSL, POP3, relaying, forwarding, and chaos features
Recent releases
View all 34 releases →
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v1.30.2
Security relevant
RCE / SSRF
IPv6 SSRF fix + readyz wait + websocket optimization
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The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.
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Install & Platforms
Install via
brew
shell-script
binary
Platforms
linux
macos
windows
arm64
Alternative to
MailHog