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Mail server not accepting external mail

Posted: Mon Jul 23, 2007 5:34 pm
by impulse()
I have my Linux box running FC6 running behind a router on a NAT connection. The port forwarding is setup correctly to forward port 110 to the mail server and the server was once accepting mail when it was on No-NAT. But now no mail seems be getting delivered to the server. I can telnet to port 110 from another machine that not on my LAN and it goes straight to the mail server login. The MX record has been updated and I have even tried sending an e-mail to <user>@<ipaddress> but the mail still isn't getting there.

Does anybody have any suggestions why this isn't happening?