Compatibility: OS X 10.10 or later 64-bit

Airmail 3 is a new mail client designed with performance and intuitive interaction in mind optimized for macOS Sierra!

Support for iCloud™, MS Exchange, Gmail™, Google™ Apps, IMAP, POP3, Yahoo!™, AOL™, Outlook.com™, Live.com™

Airmail was designed from the ground UP to retain the same experience with a single or multiple accounts and provide a quick, modern and easy-to-use user experience. Airmail is clean and allows you to get to your emails without interruption - it's the mail client for the 21st century. 

We have taken usability and function to the next level with Airmail and bring a striking-design with support for all major email services. Switch between accounts like a breeze and quick reply to incoming messages within seconds - email has never been so easy and productive.

Mac App Store: https://geo.itunes.apple.com/app/id918858936