Quick 'bayes' question

[Matt Kettler]

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Jason Williams wrote:
> Well im back. This time, a question on bayes.
> 
> I've been working to get bayes setup and running properly (and I don't
> think bayes has evern been setup to work properly to be honest).
> 
> First, in my spam.assassin.prefs.conf file, I have
> 
> use_bayes 1
> bayes_patch       /usr/local/etc/MailScanner/bayes/
> bayes_file_mode 0660
> 
> # Bump up SpamAssassin scores on the high and low end
> # score BAYES_00 -15.0
> # score BAYES_05 -5.0
> # score BAYES_95 5.0
> # score BAYES_99 15.0
> 
> # To disable bayes autolearn
> # bayes_auto_learn 0
> 
> Just trying to make sure I have the basics setup.
> 
> I ran --lint, it found the bayes DB no problem. However, when I look in
> the bayes directory, I see a bunch of files that look like this:
> 
> _toks.expire98xxx  different numbers at the end.

That's mailscanner killing SA.

MailScanner has a bit of pre-bayes assumptions about SA. One of which is any
long run of SA must be due to a hangup in the SA code. So it kills it.

Unfortunately, modern SA does it's bayes database management while scanning
messages.

disable bayes_auto_expire in your /etc/mail/spamassassin/local.cf.

DO NOT try to use spam.assassin.prefs.conf for this setting. It's technically
invalid because it's a privileged setting, and doesn't seem to work reliably as
a result.


Once you disable bayes_auto_expire do one or more of the following (or your
bayes DB will grow endlessly)

1) tell MailScanner to give SA a chance to rebuild the bayes DB:
In MailScanner.conf:	
	Rebuild Bayes Every = 43200

2) have a cronjob run sa-learn --force-expire (and use command line options to
set the right bayes path, since it won't point to the right place)

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