Sunday, April 22, 2012

Why isn't my Outlook spam filter working?

The Outlook Spam filter or "Junk E-mail Filter DLL" works only against messages in the local store, i.e. the offline OST file.  For Outlook to filter emails on a workstation using the Outlook Anti-Spam engine you must have "Cached Exchange Mode" enabled.

You configure this on the users Outlook Profile.

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