I have an Exchange 5.5 server in the local domain (local.main) that is configured to forward all of it's mail to an IIS server (5.0) running SMTP. This IIS server then forwards all mail off to ...

so, i've had a thread where I had trouble getting my smtp server to work. the issue here is different. I looked through the other thread, and while lots of the info is duplicative, i believe this ...