mailsteward

Install command: 
brew install --cask mailsteward

Name: MailSteward

Email management tool for Apple Mail and Postbox

https://mailsteward.com/

Development: Pull requests

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

Cask code: mailsteward.rb on GitHub

Current version: 18.2.2 (auto-updates)

Requirements: macOS

Artifacts:

Artifact Type Platform
MailSteward.app -> /Applications/MailSteward.app App Default platforms

Analytics:

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Installs4842