Are we sure these are not Non-Delivery Reports from your organization being sent back to the spammers.......that probably don't exist so they get stuck in your queue until the time out?
Recipient verification is the place to fix that, if my guess is correct. From: Jeff Brown [mailto:2jbr...@gmail.com] Sent: Wednesday, June 09, 2010 1:35 PM To: MS-Exchange Admin Issues Subject: Re: undeliverables "clogging" que's The From: seems to by typical spam, spoofed addresses, predictable subject lines. The To: seems to vary, some to current employees, some to former employees and some to unknowns... On Wed, Jun 9, 2010 at 12:31 PM, Kennedy, Jim <kennedy...@elyriaschools.org<mailto:kennedy...@elyriaschools.org>> wrote: The undeliverable's are from who and to who? Is there a common thread with them? From: Jeff Brown [mailto:2jbr...@gmail.com<mailto:2jbr...@gmail.com>] Sent: Wednesday, June 09, 2010 1:18 PM To: MS-Exchange Admin Issues Subject: undeliverables "clogging" que's We are in the middle of a multi-domain migration from E2k3 servers to E2K7. We had an outside consultant come in and set this all up. We had some time constraints and unrelated hardware issues that have complicated this process at times, and things have not always gone smoothly(imagine that). Everything seems to be working fine except that we have had reports of "missing email" and looked to find a que with hundreds of undelivered messages on the E2K7 Hub/CAS server. 80% or so of those messages are identified as "undeliverable". When we manually delete the undeliverables the rest of the messages seem to go out just fine. I'll be happy to provide more details about our setup, but I'm thinking that may be something someone else has seen and may be able to point us in the right direction to get this resolved??? thanks for any help. Jeff
