This page covers non-Microsoft MAPI transports for connecting to enterprise mail, calendar and workflow servers. For a Microsoft enterprise mail solution, use either Microsoft Office 365 Exchange Online or Microsoft Exchange Server
The other solutions listed on this page differ widely in complexity and cost. Some are no longer available to new customers.
CommuniGate Pro MAPI Connector is a MAPI connector providing additional capabilities to Outlook clients against the CommuniGate Pro server.