Are there any sort of SMTP relays in front of your Exchange Server?
Can you manually telnet to the servers in question?
Also, make sure the emails arent being delivered to alternate mx record for
the external users you are sending to and then somehow never getting routed
correctly to them. Belive it or not, an email I sent two months ago to an
account in London just got delivered last week.
Do you have any headers you could post here? 


-----Original Message-----
From: Murray Alexander [mailto:[EMAIL PROTECTED]]
Sent: Monday, August 19, 2002 9:28 PM
To: Exchange Discussions
Subject: Messages delayed by "black hole" queue?


EX5.5, SP3, NT4, SP6a, OL98 and OL2K: A few dozen users (out of 3,500) -
including me! - have been complaining that e-mails sent to external
addresses never arrive. They don't even get off the Exchange Server(s), but
are not in any queue that I can see.

In desperation, I moved my own account to another server (in the same site).
A message I'd sent on Monday was held somewhere, and not delivered until
Thursday. The headers suggested that it was composed and sent on Thursday.

I've searched the archives, and couldn't find anything related to this. I
also searched my own archive of this list, with no result.

Comments? Ideas? Suggestions?



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