Re: SMTP/POP3 service not working! HELP!

From: Jeff Cochran (jeff.nospam_at_zina.com)
Date: 09/10/04 

Date: Fri, 10 Sep 2004 14:52:56 GMT

On Thu, 9 Sep 2004 08:15:35 -0700, "Aaron" <michelob@mailinator.com>
wrote:

>I have a brand new Windows Server 2003 Standard Edition
>server--2.8 GHz P4 with 1 GB RAM and running 2-80 GB hard
>drives in a software RAID. The server was set up to run
>WWW, FTP, POP3 and SMTP. It is behind a hardware
>firewall, with the appropriate ports open (80, 21, 25 and
>110) both incoming and outgoing. The server was set up
>and working perfectly for two weeks. Then, all of a
>sudden, last night, it decided not to work. It is now
>bouncing back all incoming messages, and any messages
>sent get stuck in the queue folder and don't get sent--
>the bounce back after the default time settings.
>
>Why, after two weeks, would it decide to all at once not
>work? I haven't made any changes, updates, or upgrades to
>it in that time. I haven't done anything but check it
>every so often to make sure everything is working OK, and
>it was.
>
>The error given is typically a mail loop error, but it's
>to any number of addresses. There is no rhyme or reason
>to its dilemma, and my entire school district is offline.
>HELP ME! I don't want to be held up with Micro$oft's
>$245 "tech support guarantee"...

First, there's always a reason. Second, an entire school district
being offline will brun through far more than the $245 service fee in
probably less time than the call would take.

Assuming you've done *nothing* to the system, then it was something
you didn't know happened. Look at the logs and ensure the SMTP
attempts are going to the proper location. DNS resolution errors may
cause this, as can a routing error, though most often it really is one
system set to use another as a hop that forwards back to the first as
the next hop.

Jeff

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