I've been reading all about how you stop exchange 5.5 IMC from acting as an
open mail relay and allowing spammers to use your host to send spam.
I configured by exchange *5.0* service as outlined in the above documents.
But it made no difference. I take it that 5.0 doesn't allow me to control
how SMTP messages are accepted/rejected.
Or is there a way to configure 5.0 to do this also? Or am I being very