thunderbird

Install command: 
brew install --cask thunderbird

Name: Mozilla Thunderbird

Customizable email client

https://www.thunderbird.net/

/api/cask/thunderbird.json (JSON API)

Cask code on GitHub

Current version: 102.11.2

Requires: macOS >= 10.12

Conflicts with casks:

homebrew/cask-versions/thunderbird-beta

Analytics:

Installs (30 days)
thunderbird 1,792
Installs (90 days)
thunderbird 13
Installs (365 days)
thunderbird 10,408
Fork me on GitHub