[falko]

Originally Posted by bzzik

P.P.S.
I have tested my server for OPEN Relay here http://www.myiptest.com/staticpages/...pen-relay-test and got the answer:
>Unable to relay: Invalid response code received from server
> This server is NOT Open Relay

That's a good thing.
But it is still possible that spammers abuse web applications on your server (like contact forms, gustbooks, etc.).