try fixing antispam learning

90-antispam.conf

@@ -9,11 +9,8 @@ plugin {
 # verbose as syslog debugging due to internal limitations.
 #
 # antispam_debug_target = syslog
-# antispam_debug_target = stderr
-# antispam_verbose_debug = 1
 antispam_debug_target = stderr
-# FIXME disable debug
-antispam_verbose_debug = 1
+# antispam_verbose_debug = 1
 
 # backend selection, MUST be configured first,
 # there's no default so you need to set one of
@@ -142,13 +139,12 @@ antispam_spam = Junk;junk;Junk Mail;Spam;spam;SPAM
 antispam_pipe_tmpdir = /tmp
 
 # spam/not-spam argument (default unset which will is not what you want)
-antispam_pipe_program_spam_arg    = -s
-antispam_pipe_program_notspam_arg = -n
+antispam_pipe_program_spam_arg    = spam
+antispam_pipe_program_notspam_arg = ham
 
 # binary to pipe mail to
-antispam_pipe_program = /usr/bin/bogofilter
+antispam_pipe_program = /usr/local/bin/mailtrain
 #antispam_pipe_program_args = -f;%u@example.com # % expansion done by dovecot
-antispam_pipe_program_args = -l
 
 #===================
 # crm114 plugin

Dockerfile

@@ -47,7 +47,7 @@ RUN groupadd -g 5000 vmail && useradd -g vmail -u 5000 vmail -d /vmail \
      dovecot-submissiond \
      dovecot-managesieved \
      dovecot-antispam \
-     bogofilter \
+     bogofilter-sqlite \
      ssl-cert \
      ca-certificates \
   && rm -rf /var/lib/apt/lists/* \
@@ -69,9 +69,11 @@ ADD junk-filter.sieve /etc/dovecot/sieve/before/
 
 ADD confd /etc/confd/
 
+ADD mailtrain /usr/local/bin/
+
 RUN sievec /etc/dovecot/sieve/before
 
-VOLUME /etc/dovecot /ssl /vmail
+VOLUME /ssl /vmail
 
 EXPOSE 110/tcp 143/tcp 587/tcp 993/tcp 995/tcp 2000/tcp
 

mailtrain

@@ -0,0 +1,13 @@
+#!/bin/bash
+# train the spam filter.
+# arg 1 - spam or ham
+
+if [ "$1" == "ham" ]; then
+  /usr/bin/bogofilter -e -p -Sn
+  exit 0
+fi
+
+if [ "$2" == "spam" ]; then
+  /usr/bin/bogofilter -e -p -Ns
+  exit 0
+fi