Ah outbound. OK, it's probably a problem with your McCrappy box then if
I understand your configuration correctly. Your IMS is configured to
forward all mail to a specific host and that host is the McCrappy box
correct? If that's the case, I believe that if you enable some verbose
logging you'll see your IMS queue go wonky immediately following a
refusal by your smart host to accept mail which it should be accepting.
That puts your IMS into a retry state because it's link is down
according to its routing logic. 

-----Original Message-----
From: John Orban [mailto:[EMAIL PROTECTED] 
Posted At: Thursday, August 28, 2003 10:58 AM
Posted To: swynk
Conversation: What causes mail to back up in the IMS queue?
Subject: RE: What causes mail to back up in the IMS queue?

I'm sorry, it's backing up in the outbound queue (outbound messages
awaiting deliver). Looking at the messages usually indicates a name
resolution issue which, of course, is DNS. But I don't understand why it
(DNS) would just stop working. I've got my main Active Directory server
(which is also my main file and print server) running DNS.

I have a static IP address on the Exchange server pointing to the DNS
server as the primary and then to my ISP's DNS servers as secondary (and
tertiary).

You know I'm also getting messages from the Exchange listserv that my
account is on hold. I know Ed looked into this earlier and noticed
something wonky but I was never able to figure out how to resolve it.
Right now I'm answering this on the Swynk website since I'm not
receiving
messages again from the group.

I did find a post through Google that said I should restart the MTA as
well as the IMC. But I'm thinking if this is a DNS issue that's not
going
to help. But then, I don't understand why rebooting the computer helps
since DNS is on a completely different machine.

The DNS Event log on my DNS server is "clean" there are only
informational
events, nothing even remotely resembling anything wrong with DNS on that
machine, so it's GOT to be localized to the Exchange server.

I see nothing in either the Application or System logs in the Event
viewer
prior to this problem that gives me any clues.

Thanks for any thoughts.

John

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