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Filter Update for Exchange Intelligent Message Filter
An update to the Intelligent Message Filter SmartScreen filter is available and contains updated spam characteristics that improve the ability of Intelligent Message Filter to block unsolicited commercial e-mail messages. You must have Intelligent Message Filter installed to install this update.
While the IMF offers an inexpensive way to reduce the level of spam in mailboxes, managing archives often proves to be difficult and reducing the level of false positives without increasing the amount of spam delivered to your users is hard. For this reason, I don't recommend relying on IMF as a complete antispam solution.
If you choose to use IMF the following tools will help you and your users manage the spam it collects.
Exchange 2003 IMF Keyword Manager provides a GUI for creating the MSExchange.UceContentFilter.xml custom weighting file. Free.
The MS Exchange Intelligent Message Filter is bottled in an interface exposing minimal functionality. IMF Tune changes this, rendering it a full featured, commercial grade, anti-spam solution. Insertion of SCLs in email subjects, Rerouting, auto-replies, attachment stripping, detailed logging, archiving, and a lot more.