[AMaViS-user] Bayes - Learning Question

Question for the list: Maybe this belongs on the spamasssassin list?

Current Setup is Postfix 2.2.5, Amavis 2.3.3 with MySQL Lookups for
prefs, Spamassassin 3.1.0 with Bayes in MySQL, ClamAV. Everything works
great, thanks to Mark and others for such great programs.

My question is with training Bayes with SPAM. I am the only user on the
box that uses IMAP, and I can easily moves messages to a SPAM folder and
use sa-learn as the amavis user to train messages that do not get tag.
Can I setup a 'spam@domain' email addy that users can forward non-tagged
spam messages to, and utilize sa-learn on that mailbox? Should I use
Bayes_ignore_header in my local.cf if I go this route?

Also, not much spam is getting autolearned:

su amavis -c 'sa-learn --dump magic'
0.000 0 3 0 non-token data: bayes db version
0.000 0 29 0 non-token data: nspam
0.000 0 1548 0 non-token data: nham
0.000 0 70480 0 non-token data: ntokens
0.000 0 980166981 0 non-token data: oldest atime
0.000 0 1134075223 0 non-token data: newest atime
0.000 0 0 0 non-token data: last journal sync
0.000 0 0 0 non-token data: last expiry atime
0.000 0 0 0 non-token data: last expire atime
0.000 0 0 0 non-token data: last expire reductio

Would it be helpful to lower the bayes_autolearn_threshold_spam from
default? So more messages get in there automatically? My local.cf is
below.

Any suggestions or Pointers would be awesome! THANKS! -Gerry

score DRUGS_ERECTILE 5.000
score FORGED_HOTMAIL_RCVD2 3.653
score SUBJECT_FUZZY_PENIS 5.967

use_bayes 1
bayes_auto_learn 1
bayes_store_module Mail::SpamAssassin::BayesStore::SQL
bayes_sql_dsn DBI:xxx:xxxx:localhost:3306
bayes_sql_username x
bayes_sql_password x


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