postbox

Install command: 
brew install --cask postbox

Name: Postbox

Email client focusing on privacy protection

https://www.postbox-inc.com/

Development: Pull requests

Cask JSON API: /api/cask/postbox.json

Cask code: postbox.rb on GitHub

Current version: 7.0.65

Requirements: macOS >=

Analytics:

Installs (30 days)
postbox 0
Installs (90 days)
postbox 1
Installs (365 days)
postbox 81