>>Dear Larry,
>>
>>finally, after 2 days hard info searching and testing, I have found the answer.
>>
>>The answer is rely on the differency of MAPI and Simple Mapi. Both messaging system is available in MAPI32.DLL.
>
>Bela, thanks for clearing this up, I had often wondered what the distinction was. Perhaps this would make a good FAQ entry?

Dear Erik,

thank you for your encouraging words. Yes, I thought about it, (because there are other "small" details, that I didnot wrote about this answer), but I thought that my knowledge isnot enough to write about it absolutly correctly.

bb