> The setup has worked very well since the initial install 2
> years ago, we're running standard SA with DCC+Bayes+AWL etc.
> Now that we're doing an "overhaul" I'm thinking about adding
> some additional plugins and would like to hear your opinions.
> Stability is our main concern, so I'm not very keen to be an
> early adopter.
>
> - p0f. How well does it work? Is it very effective?
>
> - FuzzyOCR. We are seeing quite an increase in image-spam and
> would like to add an ocr scanner. It's been around for a
> while, but I've come to understand that it has been a bit
> troublesome in the past. Anyone with experience? Is it very
> CPU intense?
>
> - Razor2. We are using DCC today, and it works well. Is it
> worth adding razor2? Or switch to Razor2 instead of DCC perhaps?
Here's an abbreviated and scaled set of statistics for our systems with
Razor2. We block a large amount of email before it ever hits amavis, so the
relative percentages and hit rates are meaningful only for mail that slips
by:
========================================================================
SpamAssassin Rule Hits: Spam
------------------------------------------------------------------------
Rank Hits % Msgs % Spam % Ham Rule
---- ---- ------ ------ ----- ----
6 18 3.96% 48.65% 0.24% RAZOR2_CF_RANGE_51_100
7 18 3.96% 48.65% 1.20% RAZOR2_CHECK
9 13 2.86% 35.14% 0.00% RAZOR2_CF_RANGE_E8_51_100
10 12 2.64% 32.43% 0.24% RAZOR2_CF_RANGE_E4_51_100
========================================================================
SpamAssassin Rule Hits: Ham
------------------------------------------------------------------------
Rank Hits % Msgs % Spam % Ham Rule
21 5 1.10% 48.65% 1.20% RAZOR2_CHECK
76 1 0.22% 48.65% 0.24% RAZOR2_CF_RANGE_51_100
77 1 0.22% 32.43% 0.24% RAZOR2_CF_RANGE_E4_51_100
MrC
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