SMTP port being blocked on Fedora 4.


I'm trying to get the sendmail server working under Fedora 4, but the
SMTP port (tcp/25) is being blocked by something and I can't find what
is doing it.

I've turned off the iptables with no luck. And there isn't anything
in hosts.deny (or allow) .

On the local machine I can telnet to the port and get the proper smtp
greeting. So I know that is working. But trying from other machines
gets a connection refused.

I can ssh into the local machine from outside and even ping it without
the iptable rules active.

anyone have any ideas what else might be blocking the port?
I'm hoping I'm just missing something simple.

thanks

.

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