eM Client supports all standard mailing services that synchronize items through the IMAP protocol or download messages through the POP3 protocol. The application also supports synchronization through the Exchange Web Services protocol for MS Exchange and Outlook.com accounts. Outlook.com accounts can also be set up with IMAP for mail and AirSync for calendar and contacts.

To include examples: we support Gmail, Apple iCloud, Office 365, Outlook.com (MSN, Live, Hotmail), IceWarp, Microsoft Exchange, Yahoo, AOL, GMX, Kerio, ... and many more - feel free to try out the Automatic setup and see.