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Posted to dev@spamassassin.apache.org by Justin Mason <jm...@jmason.org> on 2005/01/28 05:24:41 UTC

Re: new DK results

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!! I'm an idiot. DK_VERIFIED means "signature test passed", DK_SIGNED just
means the header was present.  so this isn't quite so hot, given that; 92%
of the DK sigs in my corpus were still invalid, the message munged, or
otherwise failed verification.

- --j.

Justin Mason writes:
> from a mass-check run I did last night.  these are more promising;
> 12% of ham whitelistable:
> 
>   19992     9999     9993    0.500   0.00    0.00  (all messages)
> 100.000  50.0150  49.9850    0.500   0.00    0.00  (all messages as %)
>   6.338   0.0500  12.6288    0.004   1.00    0.00  DK_SIGNED
>   0.005   0.0000   0.0100    0.000   0.53    0.00  DK_POLICY_SIGNALL
>   0.485   0.0400   0.9307    0.041   0.47   -0.00  DK_VERIFIED
>   4.627   5.5506   3.7026    0.600   0.06    0.00  DK_POLICY_TESTING
>   5.162   6.1206   4.2029    0.593   0.00    0.00  DK_POLICY_SIGNSOME
> 
> this was achieved by adding code which strips off "known appended"
> headers from the message, such as X-Spam-*, Status, IMAPBase etc.
> 
> Records that passed verification were:
> 
>     954 gmail.com
>     270 yahoo.com
>      10 crynwr.com
>       9 earthlink.net
>       6 space.net
>       5 yahoo-inc.com
>       5 omniti.com
>       1 sendmail.com
>       1 altn.com
> 
> and that's it.  AFAICS, most of those domains have only one selector,
> so that's a puny 9 DNS lookups?  looking quite promising. ;)
> 
> --j.
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