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 >= 10.15

Analytics:

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postbox 0
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postbox 4
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postbox 94