This message was posted a couple of months ago and I wanted to know how it 
was solved.  I am having the same problem, if anyone knows how to fix this 
or re-configure a machine to allow my mail process to work.  If you do 
please e-mail me at rpainter@t...  Thanks,

Russell

Hi all
> 
> I am using mapi session and mapi messages to send emails from an 
> application.
> 
> On one machine the mapisession.signon() gives an error saying that login 
> is unsuccessful. The error probably points to their machine being 
> incorrectly configured but how do I trap this ?
> 
> Thanks 
> 
> Regards
> Graham