Subj : Re: Getting email
To   : Gryphon
From : Angus Mcleod
Date : Sat Jul 02 2005 02:43 pm

  Re: Re: Getting email
  By: Gryphon to Angus Mcleod on Fri Jul 01 2005 23:24:00

 > AM> Stop postfix.  Change the port number for 'echo' in/etc/services from 7
 > AM> to 25, and comment out the 'smtp' entries to avoid a clash.  Send a SIGH
 > AM> to inetd, then telnet to port25.  What you type should be echoed back to
 > AM> you.  Use the telnet escape sequence to get out.  Return /etc/services t
 > AM> normal and SIGHUP inetd again.
 > AM>
 > AM> If 'echo' works on port 25, then postfix is the obvious place to look fo
 > AM> your problems.
 > 
 > Good test.  I tried it, and it connects to port 25 when it's 'echo', but not
 > when it's postfix.  So, I guess that it's the culprit.

Okay, if people can hit the 'echo' service on 25 from outside on the 'net, 
the ISP isn't blocking, your router is forwarding, and the machine 
responds.  They should be able to hit postfix as well.

 > So now what do I do?

I can't help you, I'm afraid, because I am not familiar with postfix.  But 
didn't you say you could connect to it (postfix) from on your LAN?  Just 
not from out on the 'net?  Does postfix maintain some sort of a connection 
log?


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