emclient

Install command: 
brew install --cask emclient

Name: eM Client

Email client

https://www.emclient.com/

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

Cask code on GitHub

Current version: 9.1.2109

Analytics:

Installs (30 days)
emclient 13
Installs (90 days)
emclient 39
Installs (365 days)
emclient 182
Fork me on GitHub