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From AJ Weber <>
Subject Re: razor2 and cloudmark?
Date Thu, 05 Jan 2012 14:19:56 GMT

OK, fair-enough, and your theory seems very valid.  I wish they (Cloudmark)
made a SA plugin for us SOHO users that can't afford (and don't need) a full
Cloudmark Authority server/setup.  I'd pay a license fee if it were
reasonable and it performed anywhere near as accurately as their windows
desktop product.

Guess I'll go add-in DCC as well (Pyzor already also included).

Thanks for the response.


Kevin A. McGrail wrote:
> On 1/5/2012 8:49 AM, AJ Weber wrote:
>> Yes, I still have other rules enabled.  I have found the Cloudmark
>> product to
>> be extremely accurate, and really my question is specific to whether
>> "razor
>> == cloudmark" or to what extent they are related and how, so I can better
>> understand the results I'm seeing.
>  From my perspective, Cloudmark is an overall anti-spam solution whereas 
> Razor is a single score in the anti-spam framework.
> Cloudmark likely uses their "/Cloudmark Collaborative Security Network/" 
> which is what Razor queries as well.  However, for Cloudmark, the CCSN 
> query is just one part of their framework for testing messages if I had 
> to make a slightly educated guess.
> The first step is getting SA's framework built.  Then you start looking 
> at tweaking and adding things that improve the framework.  Cloudmark has 
> likely done this for you so comparing Cloudmark to Razor is apples to 
> oranges.  A framework can't be compared to one test.
> There are lots of things that can use the framework of SA from 
> content-based heuristic tests to pathway analysis via DNSBLs to even 
> things like OCR checks on images.
> Hope this helps.
> Regards,

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