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modify rules [message #552] Thu, 12 May 2005 11:47
Messages: 4
Registered: April 2005
Junior Member

We have a lot of false positives because of the rule MIME_HTML_ONLY and MIME_ASCII0

I would like to change the score of those rules. How Can I Do this?


Re: modify rules [message #553 is a reply to message #552] Thu, 12 May 2005 14:21 Go to previous message
Messages: 925
Registered: April 2004
Senior Member
Use a text editor to edit your rule files (located in the sa\ruleset subdirectory of your installation).

The cf files are read alphabetically, the last file overrides the settings of earlier files. So to override MIME_HTML_ONLY score (set in add this to

score MIME_HTML_ONLY 0.5

The MIME_ASCII0 score is set in, which is parsed by SpamAssassin after So change the score directly in this file:

score MIME_ASCII0 0.5

While is backed up when you upgrade NoSpamToday!, is not. So you will need to re-apply this change after upgrading NoSpamToday!.

Sending the null character in a MIME message is a really bad error, it usually only occurs in buggy bulk mailers used by spammers. Try to convince the senders of these messages of the error of their ways instead of changing the score.

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