Bayes - No auto learn?

Tue Nov 11 22:41:05 GMT 2003

Hi Pete,

Should be:

chown postfix:bayes (: not .)

Otherwise looks good - you don't need to delete the files.

Once you're done, make sure that the bayes dir is g+rws so it still works
with MailWatch.

Regards,
Steve.

-----Original Message-----
From: Pete Russell <pete at EATATHOME.COM.AU>
To: MAILSCANNER at JISCMAIL.AC.UK <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Tue Nov 11 22:38:07 2003
Subject: Re: Bayes - No auto learn?

PErfect, will try that now.

Just to clarify (i am not much of a linux guru, as you have prolly noticed)
i need to do

chown postfix.bayes /var/spool/MailScanner/spamassassin/
chown postfix.bayes /var/spool/MailScanner/spamassassin/bayes*

and this will fix it, after i add postfix and apache to the bayes usergroup?
I have nothing special in the DBs, just delete contents of the above
spamassassin dir and let it create from scratch?

Thanks again guys
Pete

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
Behalf Of Steve Freegard
Sent: Wednesday, 12 November 2003 9:28 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Bayes - No auto learn?

Hi Pete,

I'd forgotten that you run postfix - to make both work I suppose that you
could either add the postfix user to the apache group (less secure) or you
could create a new group called bayes, make apache and postfix members of
the group and chgrp the bayes dir and files to the new group.

Should work I think.

Regards,
Steve.

-----Original Message-----
From: Pete Russell <pete at EATATHOME.COM.AU>
To: MAILSCANNER at JISCMAIL.AC.UK <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Tue Nov 11 22:24:56 2003
Subject: Re: Bayes - No auto learn?

Thanks Steve - even though it wont use until it has learned, it should be
learning? Whihc is doesnt appear to be.

Steve, just read Kevin's reply below, and as i have just gotton the
permissions right to work with MailWatch, how will Keven suggestions affect
this? I dont fix one and break another and end up in a endless loop -
precisely what dir and file permissions on the bays dir and bayes files will
work with both mailwatch and mailscanner?

I am reluctant to keep makiung changes here, untill i know what will or wont
work.

I think i better sync my backup server and do the rest on this, before i
break something

Pete

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
Behalf Of Steve Freegard
Sent: Wednesday, 12 November 2003 9:09 AM
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Bayes - No auto learn?

Hi Pete,

Couple of things:

SpamAssassin won't use bayes until it has learnt exactly 200 spam and 200
ham messages - you can test to see if SpamAssassin is using bayes by
running:

spamassassin -D -p /etc/MailScanner/spam.assassin.prefs.conf --lint 2>&1 |
more

And see if it runs the Bayes tests and lists the tokens and probabilities.

Secondly - you won't see any BAYES_* tests in the log or MailWatch for
messages that score 40,44,50 or 56% probabilities unless you add the
following to spam.assassin.prefs.conf:

score BAYES_40 0 0 0.001 0.001
score BAYES_44 0 0 0.001 0.001
score BAYES_50 0 0 0.001 0.001
score BAYES_56 0 0 0.001 0.001

Hope this helps.

Kind regards,
Steve.

-----Original Message-----
From: Pete Russell <pete at EATATHOME.COM.AU>
To: MAILSCANNER at JISCMAIL.AC.UK <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Tue Nov 11 21:49:25 2003
Subject: Bayes - No auto learn?

I am using postfix, RH9, MS 4.25.5

I have finally set up bayes, so that MailWatch can learn individual messages
(how nice would it be to be able to select all on the quarantine page?), i
have changed the path in /root/.spamassassin/user_prefs to use the
MailScaner bayes dir, (same as path in /etc/MailScanner/spam.assassin.prefs)
/var/spool/MailScanner/spamassassin/bayes (without the _ on the end)

So now if i do sa-learn-dump magic i get the same result as
sa-learn --prefs-file=/etc/MailScanner/spamassassin.prefs

But none of my scores include any reference to bayes, and the bayes does not
appear in the maillog at all. The values of sa-learn --dump have not changed
at all after 400+ messages have passed through my scanner.

I can manually, using the command line, learn quarantine messages.

I have use_bayes 1 at the end of the prefs file.

I ahve restarted MailScanner after making any changes.

the bayes dir have the following properties (the extra _ in the first 2 is
because i had incorrectly added it in spam.assassin.prefs, and since removed
it)

[root at mail01 root]# ls -al /var/spool/MailScanner/spamassassin/
total 636
drwxrwsr-x    2 root     apache       4096 Nov 12 00:11 .
drwxr-xr-x    5 root     root         4096 Nov 11 15:37 ..
-rw-rw----    1 apache   apache      12288 Nov 11 23:25 bayes__seen
-rw-rw----    1 apache   apache      24576 Nov 11 23:25 bayes__toks
-rwxrwx---    1 root     apache      45056 Nov 12 00:11 bayes_seen
-rwxrwx---    1 root     apache     651264 Nov 12 00:11 bayes_toks

What else must i do for MailScanner to use bayes automatically?

kind regards and thanks
Pete

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