On Fri, 23 Oct 2020 15:43:25 +0200
Giovanni Bechis wrote:

> > Is my setup of txrep bad or is "normal"?
> > Thanks
> >   
> txrep add positive/negative score based on the reputation of the
> sender, if this sender normally send ham email it is normal that a
> negative score will be applied. If spam from this sender keep coming
> score will change from a negative to a positive value. You can tweak
> txrep_learn_penalty and txrep_learn_bonus if you want to speedup the
> process.

The term "reputation" is misleading, TxRep is still basically a score
averager. It moves the score towards a weighted combination of several
averages. The point of score averaging is to bring outliers to the
right side of the threshold.

txrep_learn_penalty & txrep_learn_bonus work by faking the averages
stored in the database, so that subsequent similar emails will tend to
have their scores moved in the "right" direction. Otherwise TxRep acts
to reduce fluctuations, which will produce scores of either sign.

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