Greylisting Error

We recently rebooted our exchange 2003 exchange server and when we did many people in the company got a email like this.  Some were sent up to a month ago.  Is there a problem?  Did the people who were the recipients of these emails receive them?  I don't want to have to tell everyone they need to contact the recipients of those emails.  There are too many of them.  Please help:

Your message did not reach some or all of the intended recipients.

      Subject:      RE: call fwd issue
      Sent:      9/25/2007 1:09 PM

The following recipient(s) cannot be reached:

      geoff@ttmcommunications.com on 10/19/2007 9:06 AM
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <icominc.com #4.7.1 smtp;451 4.7.1 Greylisting in action. Try again in 1 minute>
Steelin_ItAsked:
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SembeeConnect With a Mentor Commented:
No there is no key, it is created by the script.

Did you include the "Windows Registry Editor Version 5.00" line?

The key is straight export from my own system and I have a registry file I use for my own builds.

Simon.

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SembeeCommented:
That is the greylisting bug.
For some reason, with certain methods of greylisting, Exchange doesn't reprocess the messages correctly. The recipients did not receive those messages, you will need to send them again.

To stop it from happening in the future, copy and paste the following in to notepad and then save it as something.reg. Double click on the file to apply it and then restart the SMTP Server Service.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SMTPSVC\Queueing]
"GlitchRetrySeconds"=dword:00000078



Simon.

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Steelin_ItAuthor Commented:
When I tried to run the file I got the following error:

Cannot import C:\1\New Text document.reg: The specified file is not a registry script.  You can only import binary files from within the registry editor.

Also, when I went to look for the file to edit in the registry manually running the registry editor, there is no Queueing folder or key under\in the SMTPSVC folder.
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Steelin_ItAuthor Commented:
Thanks for the great help.  I did forget to add that line you spoke of above.  it wored perfectly after I added it.
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ThompsonsLimitedCommented:
Official Microsoft Hot Fix: http://support.microsoft.com/kb/950757
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