postbox

Install command:

brew install --cask postbox

Name: Postbox

Email client focusing on privacy protection

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

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

Cask code: postbox.rb on GitHub

Current version: 7.0.65

Current version requires: macOS >= 10.13

postbox is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
`postbox`	8
Installs (90 days)
`postbox`	43
Installs (365 days)
`postbox`	285