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Re: Stochastic UCE filter script

2001-08-13 16:43:38

Hi Bart. The first paragraph says that all such things as internal
mailing lists, mail within the domain, etc., should have been handled
before the spam filter is executed.

        John

Bart Schaefer writes:
On 13 Aug 2001, John Conover wrote:

The procmail script to filter spam has its own web page now:

    http://www.johncon.com/john/StochasticUCEDetection/

I'd just like to point out that you should read that web page VERY
carefully before installing this script.  In particular:

 Discard the message if it is to the user's domain, but not specifically
 to the user:

       :0
       * !^TO_user(_at_)userdomain\(_dot_)com
       * ^TO_[-a-z0-9_(_dot_)]+(_at_)userdomain\(_dot_)com
       /dev/null

 If the message is not to the user, but to someone else in the user's
 domain, then discard the message in the /dev/null mail box.

This will discard messages sent to internal mailing lists (e.g., sendmail
aliases that expand to several addresses at a given site) without even
considering their spam score.  That seems a pretty dangerous rule to have
active by default.

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John Conover        Tel. 408.370.2688  conover(_at_)rahul(_dot_)net
631 Lamont Ct.      Fax. 408.379.9602  http://www.johncon.com/
Campbell, CA 95008  Cel. 408.772.7733  

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