dave_140390 at hotmail
Jun 29, 2009, 10:14 AM
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basic questions about scores
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Hi,
I am new to Spamassassin and don't know Perl, so please bear with me...
Is it documented anywhere how Spamassassin scores work? I mean, documented such that even the layman that I am could understand...
More specifically:
1 - I can see from Mail-SpamAssassin-3.2.5/rules/50_scores.cf that some rules have one single score:
score URIBL_GREY 0.25
score URIBL_RED 0.001
while some other rules have four:
score WHOIS_WHOISGUARD 0 3.399 0 2.025 # n=0 n=2
score WHOIS_WHOISPROT 0 0.000 0 1.000 # n=1 n=2
What do these rules differ?
2 - I understood that, at a high level, Spamassassin works like this - please correct me if I am wrong:
a - Spamassassin determines which rules a message matches
b - Spamassassin somehow combines the scores of the rules matched in phase a and assigns a single, global score to the message
c - based on the global score found in phase b and the user's settings, Spamassassin determines whether the message is ham, spam, or something in between
Regarding phase b: Are the scores just added up, or is there some higher math involved?
-- dave
PS: Yes, I did have a look at http://wiki.apache.org/spamassassin/HowScoresAreAssigned and at http://wiki.apache.org/spamassassin/WhyUseRules...
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basic questions about scores
