Can you reach your Linux host on any other port? If you have access to tools
such as traceroute or ping, try these and see if you can reach your mail host
from the external host. Also try the reverse, e.g. try reaching the external
host from inside the mail host.
Ning Wu wrote:
> Hi.
>
> I am a newbie of Mail world. I am trying to install Qmail on my Red Hat
> box. I installed qmail and can telnet localhost 25 and everything looks
> fine.
>
> But when I try to connect from other host.
> $telnet myhost 25
> trying 24.12.XX.XX...
>
> It just hangs there. I can't figure out what's wrong. I don't have special
> settings of TCP Wrapper.
>
> Thanks.
>
> Ning
