msmtp

Install command: 
brew install msmtp

SMTP client that can be used as an SMTP plugin for Mutt

https://marlam.de/msmtp/

License: GPL-3.0-or-later

Development: Pull requests

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

Formula code: msmtp.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 ✅ 1.8.32

Depends on:

gettext 1.0 GNU internationalization (i18n) and localization (l10n) library
gnutls 3.8.12 GNU Transport Layer Security (TLS) Library
libidn2 2.3.8 International domain name library (IDNA2008, Punycode and TR46)

Depends on when building from source:

pkgconf 2.5.1 Package compiler and linker metadata toolkit

Analytics:

Installs (30 days)
msmtp 311
Installs on Request (30 days)
msmtp 311
Build Errors (30 days)
msmtp 0
Installs (90 days)
msmtp 1,302
Installs on Request (90 days)
msmtp 1,302
Installs (365 days)
msmtp 5,180
msmtp --HEAD 6
Installs on Request (365 days)
msmtp 5,171
msmtp --HEAD 6