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Check <a href="http://www.insidemapi.com/" rel="ugc">http://www.insidemapi.com/</a>&nbsp;(Book) and <a href="http://slipstick.com/dev/mapi.htm" rel="ugc">http://slipstick.com/dev/mapi.htm</a>&nbsp;(infos in smaller chunks)
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Check http://www.insidemapi.com/ [http://www.insidemapi.com/] (Book) and http://slipstick.com/dev/mapi.htm [http://slipstick.com/dev/mapi.htm] (infos in smaller chunks)

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This looks like just what I am looking for. &nbsp;Please re-post your comment as an answer and I will be glad to award the points to you, and thanks!
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This looks like just what I am looking for.  Please re-post your comment as an answer and I will be glad to award the points to you, and thanks!

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I didn't know you could accept a comment as an answer, I learn something new all the time, thanks again!
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I didn't know you could accept a comment as an answer, I learn something new all the time, thanks again!

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Other than Microsoft's on-line 200 MByte SDK, where can I find documentation explaining the Messaging API (MAPI)? &nbsp;Can anyone recommend a good book or on-line link to an API reference for MAPI? &nbsp;In particular, I need to find out how to specify the &quot;Reply To&quot; name and email address and the SPTP server to use with the SendEMail proc. &nbsp;Can this be specified and if so how. &nbsp;Also, can the LogOn/SendEMail/Logoff procs be executed Asynchronously? &nbsp;Finally, is there an alternative to MAPI for sending EMail from a C/C++ Win32 application without user interaction? &nbsp;Please don't give me a Microsoft link unless it lists the MAPI routines and explains them without huge downloads! &nbsp;I'm only 56k dialup.
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Other than Microsoft's on-line 200 MByte SDK, where can I find documentation explaining the Messaging API (MAPI)?  Can anyone recommend a good book or on-line link to an API reference for MAPI?  In particular, I need to find out how to specify the "Reply To" name and email address and the SPTP server to use with the SendEMail proc.  Can this be specified and if so how.  Also, can the LogOn/SendEMail/Logoff procs be executed Asynchronously?  Finally, is there an alternative to MAPI for sending EMail from a C/C++ Win32 application without user interaction?  Please don't give me a Microsoft link unless it lists the MAPI routines and explains them without huge downloads!  I'm only 56k dialup.

MAPI Documentation?

Most development for the Microsoft platform is done utilizing the technologies supported by the.NET framework. Other development is done using Visual Basic for Applications (VBA) for programs like Access, Excel, Word and Outlook, with PowerShell for scripting, or with SQL for large databases.