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Fight Spam on Your Terms with Custom Weight Lists

The October issue of the TechNet Magazine has an interesting article covering the Custom Weigth Lists (CWLs), which were introduced back in Exchange Server 2003 SP2. The article is written by Cam Frenette (Software Design Engineer in Test at Microsoft who focuses mainly on anti-spam technologies for the Technology Care & Safety team) and Alexander Nikolayev (Program Manager at Microsoft in charge of server-side protocols, Transport Core, and anti-spam components for Exchange and Windows Servers).

 

Read it here.

One Response to “Fight Spam on Your Terms with Custom Weight Lists”

  1. Peter Jongen Says:

    October 24th, 2007 at 11:49 am

    Microsoft will automaticaly update the IMF every first and third wednesday of a month. Unfortionalty the way this works is dat a new directory is created, and the registry updated to point to the newly created files.
    If one uses Custom Weights, the custom weight file is not copied into the newly created directory. So the custom weights are no longer used. We have to manualy copy the customweightfile from the old to the new directory. Needles to say that this will be forgotten.
    I created a program (C#) that allows to create and maintain custom weight file. The program will run in batch mode (schedule) every night. If a new directory is discovered the customweight file is copied to the newly created directory> Next the SMTP service is restarted so the custom weight file is being picked up again.
    Any interest in this? I’m not a regular poster so mail me.

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