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Posted to dev@spamassassin.apache.org by bu...@issues.apache.org on 2011/01/20 10:50:26 UTC

[Bug 6526] Disable rfc-ignorant.org

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6526

--- Comment #9 from Warren Togami <wt...@gmail.com> 2011-01-20 04:50:19 UTC ---
To recap:
We have only two enabled rules: DNS_FROM_RFC_DSN and DNS_FROM_RFC_BOGUSMX.  The
others are fully disabled in our ruleset.

BOGUSMX has a production score, but problems...
    - very redundant: 0.7% of BOGUSMX hits score 5 points or below
      40/474K low scoring spam detected by BOGUSMX      
    - 205/258K ham FP on BOGUSMX
    - FP's far outnumber the cases where BOGUSMX would identify low scoring
spam.

DSN is informational because it has been unsafe.  Recent masschecks show 1.6%
spam but 0.5% ham.  Spam hits are similarly entirely high scoring.

These two rules are making effectively zero impact on spam determination
because they hit so rarely and are already high scoring.  The FP rate of
BOGUSMX proves that it is actually doing more harm than good.

For these reasons I propose making rfc-ignorant.org "tflags nopublish" for
trunk.

Any further comments?

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