[MSDN Library June 1998] PC MAPI: MAPILogon Does not Return an Error Code 1 (53.4523809523809%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] PC MAPI: MAPI32.DLL Does Not Support Multi-Threaded Call (40.5059523809524%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] PC MAPI: List of MAPI Error Codes (40.452380952381%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] PC MAPI: MAPIReadMail Doesn't Send Return-Receipt Message (39.8558897243108%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] PC MAPI: MAPI Common Questions and Answers (39.4523809523809%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library September 1992] PC, PC/AT, and PS/2 Architecture (15.1547619047619%)
Books and Magazine Articles > Advanced MS-DOS Programming > PART 1 PROGRAMMING FOR MS-DOS > Chapter 4 MS-DOS Programming Tools > Programming Resources and References