http://bugs.winehq.org/show_bug.cgi?id=11770
--- Comment #5 from Tefnet developers developers@tefnet.pl 2008-04-02 08:20:19 --- Created an attachment (id=11805) --> (http://bugs.winehq.org/attachment.cgi?id=11805) mapi32 MAPISendMail attachments support
Here is Marks patch for current version of Wine. I've modified it a little bit because for some reason message->lpFiles[i].lpszFileName was always NULL even if message->lpFiles[i].lpszPathName was set.