How to tell if SpamAssassin Bayasian filtering is working

[Jonathan B. Bayer]

Hello Philip,

spamassassin --lint just returns with no output.


BTW, this is version 3.1.5


JBB


Tuesday, September 26, 2006, 12:50:30 PM, you wrote:

PZ> Run the --lint test to see how many ham and spam messages it has.
PZ> Spamassassin needs to have at least 200 spam and 200 ham in bayes before it
PZ> considers the bayes to be trained.  It ignores the bayes results until then.

PZ> Philip

PZ> -----Original Message-----
PZ> From: mailscanner-bounces at lists.mailscanner.info
PZ> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Jonathan B.
PZ> Bayer
PZ> Sent: Tuesday, September 26, 2006 11:15 AM
PZ> To: MailScanner discussion
PZ> Subject: How to tell if SpamAssassin Bayasian filtering is working

PZ> Hello MailScanner,

PZ> I've enabled Bayasian filtering with SpamAssassin.  I've been feeding missed
PZ> spam to Spamassassin by hand, and I get reports that it is adding tokens
PZ> from the scanned files.  

PZ> However, it doesn't seem to have affected the results I'm getting.  I've
PZ> looked both at spam and non-spam, and don't see any reference in the headers
PZ> to any sort of Bayasian scanning.  

PZ> So I'm wondering if it is really doing the Bayasian scanning or not.

PZ> I've reproduced all the relevent information below (I think).  Any ideas or
PZ> suggestions are welcome.

PZ> Thanks in advance.


PZ> JBB

PZ> I have the following relevant lines in my MailScanner.conf file:

PZ> Spam Checks = yes
PZ> Use SpamAssassin = yes
PZ> Wait During Bayes Rebuild = no
PZ> SpamAssassin Site Rules Dir = /etc/mail/spamassassin
PZ> SpamAssassin Site Rules Dir = /etc/mail/spamassassin
PZ> SpamAssassin Local Rules Dir = 
PZ> SpamAssassin Local State Dir = # /var/lib
PZ> SpamAssassin Default Rules Dir =
PZ> Debug SpamAssassin = no



PZ> There is a soft link in place:
PZ> /etc/mail/spamassassin/mailscanner.cf -> 
PZ>          /etc/MailScanner/spam.assassin.prefs.conf

PZ> The file spam.assassin.prefs.conf contains the following:

PZ> dns_available yes
PZ> use_bayes 1
PZ> bayes_path /var/MailScanner/bayes/bayes
PZ>  score BAYES_00 -15.0
PZ>  score BAYES_05 -5.0
PZ>  score BAYES_95 5.0
PZ>  score BAYES_99 15.0
PZ>  bayes_auto_learn 1
PZ> bayes_ignore_header bayerfamily.net-MailScanner
PZ> bayes_ignore_header bayerfamily.net-MailScanner-SpamCheck
PZ> bayes_ignore_header bayerfamily.net-MailScanner-SpamScore
PZ> bayes_ignore_header bayerfamily.net-MailScanner-Information
PZ> bayes_auto_expire 0
PZ> lock_method flock
PZ> use_auto_whitelist 0
PZ> use_dcc         0
PZ> use_pyzor       0
PZ> envelope_sender_header X-MailScanner-From
PZ> header   FRIEND_GREETINGS       Subject =~ /you have an E-Card from/i
PZ> describe FRIEND_GREETINGS       Nasty E-card from FriendGreetings.com
PZ> score    FRIEND_GREETINGS       100.0
PZ> header   FRIEND_GREETINGS2      Subject =~ /you have a greeting card from/i
PZ> describe FRIEND_GREETINGS2      Nasty E-card from FriendGreetings.com
PZ> score    FRIEND_GREETINGS2      100.0


PZ> And /var/MailScanner/bayes contains:
PZ> -rw-------  1 root root    230 Sep 25 04:03 bayes.mutex
PZ> -rw-------  1 root root  49152 Sep 25 04:03 bayes_seen
PZ> -rw-------  1 root root 360448 Sep 25 04:03 bayes_toks


PZ> JBB
PZ> ---
PZ> Jonathan B. Bayer

PZ> mailto:jbayer at bayerfamily.net

PZ> -- 
PZ> MailScanner mailing list
PZ> mailscanner at lists.mailscanner.info
PZ> http://lists.mailscanner.info/mailman/listinfo/mailscanner

PZ> Before posting, read http://wiki.mailscanner.info/posting

PZ> Support MailScanner development - buy the book off the website! 

PZ> -- 
PZ> This message has been scanned for viruses and
PZ> dangerous content by MailScanner, and is
PZ> believed to be clean.


PZ> -- 
PZ> This message has been scanned for viruses and
PZ> dangerous content by MailScanner, and is
PZ> believed to be clean.





JBB
---
Jonathan B. Bayer

mailto:jbayer at bayerfamily.net