[Spamassassin Wiki] Update of "IncreaseAccuracy" by Darxus

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The "IncreaseAccuracy" page has been changed by Darxus:
http://wiki.apache.org/spamassassin/IncreaseAccuracy?action=diff&rev1=8&rev2=9

Comment:
Poisoned AWL / bayes can be fixed by deleting relevant databases

  }}}
  
  == Verify AWL and the Bayesian classifier aren't poisoned ==
- The AutoWhitelist, and Bayesian classifier when automatically trained, can get trained incorrectly, resulting in scoring email wrong.  Verify they are providing useful scores - positive scores for spam, and negative scores for ham (AWL and BAYES_* tests).  They can be disabled with:
+ The AutoWhitelist, and Bayesian classifier when automatically trained, can get trained incorrectly, resulting in scoring email wrong.  Verify they are providing useful scores - positive scores for spam, and negative scores for ham (AWL and BAYES_* tests).  If they are causing counterproductive scores, the only solutions are to delete the relevant databases and start over training them, or disable them with:
  {{{
  use_auto_whitelist 0
  use_bayes 0