On Tue, 14 May 2019 10:18:35 -0400
Kris Deugau wrote:

> Matus UHLAR - fantomas wrote:
> > On 14.05.19 06:18, cyflhn wrote:  
> >> but what about this one "FREEMAIL_FORGED_REPLYTO". why it got 2.1

> As for the score, it's autogenerated based on statistical analysis of
> a large corpus of mail along with most of the other stock rules: 
> https://wiki.apache.org/spamassassin/NightlyMassCheck

My understanding is that scores in 50_scores.cf haven't been optimized
for 10 years since the very fast perceptron fell-off and they had to
revert to the extremely slow genetic algorithm. The autogenerated
scores for a minority of the rules are in 72_scores.

This isn't entirely accurate because some rules are scored in both
files, but it gives a rough indication of the scale of problem. 
 
$ grep -E '^\s*score' 50_scores.cf| wc -l
     662

$ grep -E '^\s*score' 72_scores.cf| wc -l
     210

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