https://issues.apache.org/SpamAssassin/show_bug.cgi?id=5861
Justin Mason <[EMAIL PROTECTED]> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|Undefined |3.3.0
--- Comment #7 from Justin Mason <[EMAIL PROTECTED]> 2008-04-10 01:48:34 PST
---
(In reply to comment #5)
> So is there something that can help with these short messages, that don't
> create many tokens? When there aren't enough body tokens, by default all those
> hammy header tokens are sure to prevent correct scoring. It forces me to
> ignore
> such headers.
Training on error should help -- train mostly on FPs and FNs from now on.
> Also whats the deal with saving those X-Spam-Relays-Internal tokens? I ignored
> it since I can't figure out any purpose to bloat my db.
Consider a site with 2 MXes -- a primary and secondary MX. both are listed as
IPs in internal_networks. For some reason, spammers tend to like sending spam
via the secondary. The presence of that MX's IP in the
'X-Spam-Relays-Internal' hdr therefore becomes a spam sign, for that site.
If, on the other hand, a token appears equally in both ham and spam:
- it's P value will tend towards the middle ground: 0.5
- this means that it will fall outside $MIN_PROB_STRENGTH:
# Should we ignore tokens with probs very close to the middle ground (.5)?
# tokens need to be outside the [ .5-MPS, .5+MPS ] range to be used.
our $MIN_PROB_STRENGTH = 0.346;
- tokens outside that range are unused
- unused tokens don't have their access times updated, and therefore
are expired from the Bayes db.
thanks for the patch -- I'll apply it. we should probably be running
a 10-fold cross validation, but I'm a bit busy and I think it's a good
idea as a hunch. ;)
: jm 573...; svn commit -m "bug 5861: add DKIM-Signature and
DomainKey-Signature to the set of headers whose contents are ignored for Bayes;
their presence is marked, however. thanks to Henrik Krohns"
lib/Mail/SpamAssassin/Plugin/Bayes.pm
Sending lib/Mail/SpamAssassin/Plugin/Bayes.pm
Transmitting file data .
Committed revision 646688.
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