mailpit

Install command: 
brew install mailpit

Web and API based SMTP testing

https://mailpit.axllent.org/

License: MIT

Formula JSON API: /api/formula/mailpit.json

Formula code: mailpit.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel		 sonoma ✅
Linux x86_64 ✅

Current versions:

stable ✅ 1.27.8

Depends on when building from source:

go 1.25.1 Open source programming language to build simple/reliable/efficient software
node 24.8.0 Platform built on V8 to build network applications

Analytics:

Installs (30 days)
mailpit 1,068
mailpit --HEAD 1
Installs on Request (30 days)
mailpit 1,068
mailpit --HEAD 1
Build Errors (30 days)
mailpit 0
Installs (90 days)
mailpit 3,161
mailpit --HEAD 7
Installs on Request (90 days)
mailpit 3,161
mailpit --HEAD 7
Installs (365 days)
mailpit 10,085
mailpit --HEAD 20
Installs on Request (365 days)
mailpit 10,085
mailpit --HEAD 20