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Re: Can't connect to port 25 from another system



On 4/22/06, Debbie Deutsch <fedoralist ddeutsch org> wrote:
> Alastair Neil wrote:
> > Did you check hosts.allow and hosts.deny in /etc?
> >
> >
>
> Thanks for the suggestion.  I am still somewhat noobish and those files
> were new to me.  Thanks for teaching me.  :-)
>
> Both files had only comments.  They were not the source of the problem.
>
> However, I may have some progress to report.  I can now successfully
> telnet to my system and (by hand) send mail to an account there.
> Hooray!  I am not certain what fixed that.  I did reboot after sending
> my email.  Maybe something got reset.

I know you would say you have tried this but I think you should check Iptables
stop the service and then also don't let Iptables start on reboot
chkconfig --level 5 iptables off
then test again...
I just want to be sure its not Iptable..from all you have said it
should be working also if you can post the log files


>
> OTOH, external (outside of my LAN) mail servers are still not connecting
> to my server to send mail to the email address I have been using for
> testing.  I now am wondering if the problem is/was with DNS.  My local
> configuration is okay, but I am embarrassed to say that I just
> discovered that I had never entered an MX record where I have that
> domain publically hosted.  (The previous incarnation of my mail server
> was using a different domain.)  Now to wait for the new MX record to
> propigate and see if that will do the trick!  A check of the maillog
> shows that the server certainly is getting connections from spammers
> attempting to send their trash to old domain.
>
> Debbie
>
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