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Manually Approve External Emails from a Certain Domain?

I want to manually approve incoming emails from a certain domain. Users are complaining about a drastic increase in spam from this domain, but some of the emails are legitimate.

Is there a way on Exchange 2007 for me to manually approve emails from this domain before the messages go to user inboxes? I searched and only found options for approving outgoing mail..
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MikeTheRed6
Asked:
MikeTheRed6
2 Solutions
 
sfbeyerCommented:
This may work for you -

Using your Exchange server, catch all email from the domain and then forward it to another Windows Server running IIS SMTP Service. Set SMTP service to collect and/or foward all of those emails to another smtp server or directory, where you can them script them out for redirection or deletion.

To clean things a little (optional), I'd assign a secondary IP address on your Windows server and then assign that IP to your IIS SMTP server.  Set Up Windows firewall to only allow smtp traffic from your Exchange server to keep clients on your internal network from being able to openly relay off of it.

You may be able to collect or harvest those emails directly to a directory by deliberatly setting the SMTP server to forward to a smart host (That intentionally does not exist) in order to collect all mail in the 'badmail' directory!

For Windows server 2008, Install SMTP Server as a 'Feature' - To manage it, use the IIS 6.0 manager, even though IIS 7 is installed.

http: //support.microsoft.com/kb/276347
http: //support.microsoft.com/kb/837851?ppud=4&wa=wsignin1.0

I have not done all of these steps at once, but this should at least give you an option.
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MikeTheRed6Author Commented:
Thanks to sfbeyer for the suggestions but I don't have the hardware to do that kind of testing.

Also, no one answered the question from my original post: Is there a way on Exchange 2007 for me to manually approve emails from a specific external domain before the messages go to user inboxes?
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Simon Butler (Sembee)ConsultantCommented:
There is no moderation functionality for inbound emails to users in Exchange 2007.

Simon.
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