Hi,
I have a scanning server that has no mailboxes hosted on it. It forwards
everything off to the final destinations. Now one of the destinations is
my hosting server. I have incoming mail figured out just fine. What I am
thinking about is outgoing mail.
When a user connects to the hosting server they must authenticate. Now
they can send mail. Is there a benefit of passing the mail back to the
scanning server and have it send it out to wherever or should the
hosting server just send it out? If the scanning server was to send the
mail out then it would have to allow complete relay from the hosting
server.
Also I will never have an MX record pointing to the hosting server (will
always point to my scanning server) so I hope that the spammers will
never find it (perhaps a vain hope). But since I have to allow users to
connect via SMTP (with auth) then port 25 must be open to the outside
world. Now if someone was to figure out the IP of the hosting server and
what domains were stored on it they could send directly and bypass
scanning (both junkmail and virus).
So any thoughts/benefits/comments on
1) Passing outgoing mail back to Declude to e-mail to the Internet
2) Any better way to prevent spammers from finding the hosting server
Thank you all
Oh yes both servers are behind a firewall.
Goran Jovanovic
The LAN Shoppe
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