Mail Pilot 3.0 (7421)b (macOS)

Mail Pilot is a polished email client for macOS that delivers simple yet powerful function plus a modern user interface. The client takes a simplified approach to email client software, unlike traditional ones that use flags and complicated settings.
Homepage: http://mailpilot.co/3/
Mail Pilot allows you to send emails from all accounts to several different places. In other words, you can sort messages across all your accounts into a number of special folders. Various email services, including GMail, iCloud, AOL, Yahoo! or Outlook, as well as all standard types of IMAP email accounts are supported.
Compatibility: macOS 10.12 or later 64-bit