Hi Dave, hope I can help here beyond parroting what I've read & played with...

> > On this one, it's because autolearn learns the message pre-Bayes
> > test.  Without your Bayes_90, that message scored under 1.9 points,
> > and so it was autolearned.  The other reason that applies here is
> > explained below.
> 
> Ah. Could this behavior be changed by changing something in 
> the config?
> Or by changing the source a bit (that also a perl novice like 
> me can do it)?

I are but a simple sysadmin, not a programmer.  Why would you want the Bayes score 
wrapped into the decision about whether to learn it?  If I get something *REALLY* 
spammy, high enough to be learned, but then it scores BAYES_00, it may be dropped 
below my autolearn threshold.  That is the stuff I want going through bayes, not the 
BAYES_99 stuff.


> That is my lowest rated mail learned as spam (same settings as in the
> original posting):
> 
> | X-Spam-Status: Yes, hits=8.4 required=5.0
> |         tests=BASE64_ENC_TEXT,HTML_30_40,HTML_IMAGE_ONLY_04,
> |               HTTP_USERNAME_USED,PRIORITY_NO_NAME,RCVD_IN_RFCI,
> |               RCVD_IN_SBL,USERPASS
> |         autolearn=spam version=2.55
> 
> That does not comply with your statement.
> 

I didn't see the complete debug output as it was processed by SpamAssassin, so I can't 
really comment, except keep in mind that Bayes autolearning uses either scoreset 0 or 
1.  This may be scoreset 3 or 4, which may be different.  I don't know.

> I'm curious about the "safety zone"... why did the 
> programmer(s) decide
> to put it in? Even if they saw sense in it, most open source 
> programs do
> let you make senseless configurations. Or, to say it in other words:
> They not only let you shoot yourself in the foot, they give you an
> assortment of guns already loaded and pointed downwards[2] :-)

I imagine they define "shooting yourself in the foot" as exactly what you're 
attempting to do.  Unattended autolearning in the sweet spots for false positives and 
false negatives.  I'd never autolearn that close to my threshold.  I'd hand-feed.  But 
I guess it's good that they allow you to do it now.


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