Warren Togami wrote:

> https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6247#c49
> https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6247#c51
> It turns out that the ReturnPath and DNSWL whitelists have a
> statistically insignificant impact on spamassassin's ability to
> determine ham vs. spam.  Meanwhile, both whitelists have high levels
> of accuracy.
> 
> How can both of these statements be true?  I suspect this is because
> the scores are balanced by the rescoring algorithm to be "safe" in the
> majority case where no whitelist rule has triggered.  Thus whitelists
> are not needed or relied upon to prevent false positive
> classification.

I concur, that is what my analysis of HABEAS hits over the last four
months showed too. 


/Per Jessen, Zürich

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