At 08:52 AM 6/22/2004, Thomas M. Andersen wrote:
I have started using Razor within Spamassassin but i can't really measure how effeftive that is. I can see that the total amount of low scored spam has decreased. But is there a way to see how much Razor is affecting the score given by Spamassasin?
Well, you can put some bounds on it by looking at the scores of the rules SA uses..
In 2.63 these are the scores: $ grep RAZOR2 50_scores.cf score RAZOR2_CHECK 0 0.899 0 1.047 score RAZOR2_CF_RANGE_11_50 0 0.559 0 0.876 score RAZOR2_CF_RANGE_51_100 0 1.552 0 1.101
if razor matches, the RAZOR2_CHECK rule will fire.
If the CF returned by razor is high enough either of the two cf range rules can add on.
So, if you use bayes, it can affect the score by 1.047, 1.923 or 2.148 points, for razor CF's of <11, 11-50, and 50-100 respectively.
if you don't use bays it can affect the score by 0.899, 1.458 or 2.451 points.
However, the <11 case is pretty rare. (it's only happened once in my maillogs over the past 4+ weeks. Those same logs contained 31,345 hits of RAZOR2_CHECK.)
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