email delayed for 1 month

I have an SBS2003 server running Exchange 2003 SP2, this morning we received non-delivery messages from email that have been sent on Feb 22, we are now the March 23.

How come there is a gap like that between the delivery? The weird thing also is that we sent emails and received email between that time period without any problems.

Any clues?
ad3rAsked:
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mass2612Commented:
Hi,

Did yor restart the server/Exchange service some where around the 23rd March before you received the old NDR? When you restart old badmail that could not be delievered can be re-sent from the badmail folder.

Can you view the headers on the NDR and see where it may have been delayed if it was stuck some where.
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Alan HardistyCo-OwnerCommented:
This is down to a bug often referred to as the greylisting bug.  Read the following article, request the hotfix and install it:

http://support.microsoft.com/kb/950757/

This only rears it's head when you restart the Information Store or reboot the server.

 
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ad3rAuthor Commented:
Thanks a lot
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