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fuss:spamassassin [2017/02/22 18:30] (current)
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 +====== Scanning User Mailboxes for Spam and Training the Bayes Filter ======
 +
 +The script below requires a mail transfer agent such as Dovcot that is set up to place mailboxes under the user's home directories in ''/​home''​. Upon referencing this script from crontab, it will periodically scan all user mailboxes for the ''​Junk''​ folder and then automatically train the Spamassassin bayes filter.
 +
 +<file bash sa-learn-junk-folders.sh>​
 +#!/bin/sh
 +###########################################################################​
 +##  Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3      ##
 +###########################################################################​
 +# A script to make amavis / spamassassin learn spam mail through bayes    #
 +# from all the mailboxes present on the system. ​                          #
 +#                                                                         #
 +# For this script to work, a mail-server must be configured by enabling ​  #
 +# IMAP mailboxes stored in the user's home directory, users should have a #
 +# virtual mailbox "​Junk"​ created into which they can place spam E-Mails. ​ #
 +# After that, you can configure the script and reference it in crontab. ​  #
 +###########################################################################​
 +
 +###########################################################################​
 +#                             ​CONFIGURATION ​                              #
 +###########################################################################​
 +
 +# The name of the Junk folder - under Dovecot, this is commonly "​Junk"​
 +JUNK_FOLDER="​Junk"​
 +# The path to the spamassassin database.
 +SPAMASSASSIN_DATABASE="/​var/​lib/​amavis/​.spamassassin"​
 +# The mailbox type can be either: Maildir, mail or sdbox
 +MAILBOX_TYPE="​sdbox"​
 +
 +###########################################################################​
 +#                                INTERNALS ​                               #
 +###########################################################################​
 +
 +# Train spam from junk folder.
 +for i in `find /​home/​*/​$MAILBOX_TYPE/​ -type d -name "​$JUNK_FOLDER"​`;​ do
 +    HOME_FOLDER=`echo $i | awk -F"/"​ '{ print $3 }'`
 +    sa-learn --use-ignores \
 +        --dbpath "​$SPAMASSASSIN_DATABASE"​ \
 +        -p "/​home/​$HOME_FOLDER/​.spamassassin/​user_prefs"​ \
 +        --spam "​$i"​ > /dev/null 2>&1
 +done
 +
 +# Sync databases
 +sa-learn --dbpath "​$SPAMASSASSIN_DATABASE"​ --sync > /dev/null 2>&1
 +
 +</​file>​
  

fuss/spamassassin.txt ยท Last modified: 2017/02/22 18:30 (external edit)

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