Thanks for your reply. Can the bogus Virtual Server for the bogus SMTP domain point to the same virtual directory as the existing Default Exchange Virtual Server, or does it have to be on another separate Exchange 2000/IIS5 Server? Or, do I create a new Virtual Directory in the Default Website IIS5 tree and point it to the same MFS point (M:\<domain name>\MBX) - would rather not do this as users would have to use a different URL. Thanks again, James.