Exchange 2003 IMF licensing

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From: Jack (Jack_at_discussions.microsoft.com)
Date: 08/10/04 

Date: Mon, 9 Aug 2004 21:51:01 -0700

Can anyone tell me what the current stand is on licensing for the Intelligent
Message Filtering add-on is?

When I first saw this on the MS site there was a clear indication that
Software Assurance for both Exchange Server and CALs was a requirement.

I've just spent an hour trying to find this information, I even downloaded
the filter and started the install to read the EULA, also searched google to
no avail.

Any help is much appreciated!