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Reset all Exchange 2003 filters - 25.Apr.2008 12:56:54 PM

davidhall

Posts: 5
Joined: 2.Mar.2006
Status: offline

I am having an issue receiving mail from certain users on the internet in various domains. Recently we had an unusual influx of spam, and I tightened the Exchange filtering somewhat. Now that I have loosened it back up, some internet users cannot send to inside mainboxes that could send before I tightened the filters. There is no NDR sent back to the sender, and the message tracking has no record of the messages being received.
Can anyone tell me how to reset all Exchange 2003 (SP2) filters back to default settings? Could this be a registry thing that I need to manually reset? I am also using a filter before Exchange, but it has not changed. Better yet, is there a way to completely disable all Exchange filtering, and a way to verify that? I suspect a setting has been changed in the registry that is not in the GUI for the filters.
Thanks for any help..
David

Post #: 1

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RE: Reset all Exchange 2003 filters - 25.Apr.2008 1:37:10 PM

mark@mvps.org

Posts: 3788
Joined: 9.Jun.2004
From: Philadelphia PA
Status: online

You can't tighten them or loosen them, well, not in the way that you seem to suggest. Are you sure you are not using a 3rd party product?

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(in reply to davidhall)

Post #: 2

RE: Reset all Exchange 2003 filters - 25.Apr.2008 1:58:21 PM

davidhall

Posts: 5
Joined: 2.Mar.2006
Status: offline

What I mean is that I began to utilize all the filter mechanisms, SenderID, Connections, IMF, and all. Yes, I am using Trend Micro IMSS, but there have been no changes to that. The only changes have been to the Exchange filtering settings. Now that I reset (I thought) these back to their original settings, some mail is being blocked with no NDR or record of even getting here. The reasoning behind not changing IMSS was that I felt some SPAM was being sent from inside by a bot and wanted to prevent Exchange from participating..
Thanks for any help here..I'm really lost.
David

(in reply to mark@mvps.org)

Post #: 3

RE: Reset all Exchange 2003 filters - Anyone?? - 28.Apr.2008 11:29:48 AM

davidhall

Posts: 5
Joined: 2.Mar.2006
Status: offline

Can anyone tell me this:
Once I have 'turned on' the Exchange 2003 filters (Connection Filter, Sender ID, IMF, etc) then turned them off in the SMTP Virtual server applet, is there a way to verify through the registry that they are indeed 'turned off'?
I am having a problem with certain mail messages from different domains not arriving in the user mailboxes, where before I turned these filters on, they were. I reset these filters to their original settings, and now some mail is not arriving. I feel that something is not 'turning off' like it should,. and mail is still getting filtered even though I have told the server not to filter.
Thanks to anyone that can solve this mystery...

(in reply to davidhall)

Post #: 4