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Random Undeliverable emails are not received by sender until a reboot SBS 2003

I have an issue with a client NOT receiving RANDOM undeliverable emails. They are using SBS 2003 (Exchange 2003).

On rare occasions, after a reboot, users will receive OLD undeliverable emails that were originally days/weeks/months previously.

I can't reproduce the problem - ie. I send an email to a known bad address and it comes back immediately.

Any suggestions?
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rheide
Asked:
rheide
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1 Solution
 
Alan HardistyCo-OwnerCommented:
You have discovered the affectionately named Greylisting bug.  Please download and install the following patch which will resolve the problem:

http://support.microsoft.com/kb/950757
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rheideAuthor Commented:
RIGHT ON!!! Thank you. I will install tomorrow and see how it goes. Considering it describes the problem to the T - I'm going to close this question. Thanks so much.
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Alan HardistyCo-OwnerCommented:
You should find it solves the problem, but if not - just post again here.

Thanks for the points.

Alan
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