The following information about Microsoft Exchange Server is available in Books Online, a Help file you obtain when installing Microsoft Exchange Server:
Microsoft Exchange Server: Getting Started
Microsoft Exchange Server Concepts and Planning Guide
Microsoft Exchange Server Administrator’s Guide
Microsoft Exchange Server Application Designer’s Guide
For information about MAPI programming:
Introduction to MAPI Programming (part of the Microsoft Platform SDK)
Inside MAPI, by Irving de la Cruz and Les Thaler (Microsoft Press, Redmond, WA)
For more information about programming gateways:
Gateway Programmer’s Reference
For information about the Microsoft Windows programming environment:
Microsoft Platform SDK
Programming Windows 95, by Charles Petzold (Microsoft Press, Redmond, WA)
For information about Microsoft Windows NT Server programming:
Microsoft Platform SDK
Microsoft Windows NT Server Resource Kit