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Exchange, Outlook behind ISA server

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by lheisey

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I have installed an ISA server with Exchange 5.5 behind it. That is working fine. Recently, I attempted to set up some exception rules in ISA to stop exe and vbs attachments from going directly to the user. I asked ISA to "Hold" the mail. This is still not working for me. What is new is that Outlook gives me a notification on my email enclosed in a yellow box that says "Outlook has blocked certain attachments that could be potentially unsafe" Why is it generating this message and where isthat being directed from?

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by jb007

The yellow box message is coming from the built-in Security attachment patch from microsoft. They introduced it to combat vbs outbreaks like Melissa and such. I believe in outlook 2000/2002 it comes pre-built into the client.

In outlook 97/98 youhad to install the patch itself.

There is a brief explanation on a good exchange site here: (www.slipstick.com) exact url is below.

http://www.slipstick.com/addins/utilities/attsecup.htm

NOTE: watch out for spaces in the url that posting adds.

regards,

jb

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