>Ok... I really feel stupid on this one.. Maybe it is because i have read a
>hundred different way on how to fix this problem.. What you are saying is if
>I turn on NO MAIL RELAY, then I am going to have to have my users us SMTP
>AUTH to get mail to somewhere outside my server

not to receive their mail by POP or IMAP, that always works from any  ip, 
but TO SEND their outbound mail through your server.

The gotcha is that if you have a mailing appliations that can't do SMTP 
AUTH, you can't use "no relay", but "relay for addesses".   Even then, keep 
the number of ip address you trust to the minimum, still forcing all users 
to SMTP AUTH.

Len





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