mailpit

Install command: 
brew install mailpit

Web and API based SMTP testing

https://mailpit.axllent.org/

License: MIT

Development: Pull requests

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 ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.29.3

Depends on when building from source:

go 1.26.1 Open source programming language to build simple/reliable/efficient software
node 25.8.1 Open-source, cross-platform JavaScript runtime environment

Analytics:

Installs (30 days)
mailpit 1,719
mailpit --HEAD 3
Installs on Request (30 days)
mailpit 1,719
mailpit --HEAD 3
Build Errors (30 days)
mailpit 0
Installs (90 days)
mailpit 3,968
mailpit --HEAD 6
Installs on Request (90 days)
mailpit 3,968
mailpit --HEAD 6
Installs (365 days)
mailpit 12,246
mailpit --HEAD 26
Installs on Request (365 days)
mailpit 12,246
mailpit --HEAD 26