Simscan w/Dspam, Rspam, SA user prefs

FEDORAREPO=
Install Dspam, Rspam, SA userprefs

# Begin Fedora Install CentOS 8 ***** ONLY *****
rel=`grep "release 8" /etc/*-release`
if [[ ! -z $rel ]]
then
 rel=8
 FEDORAREPO=--enablerepo=fedora
 sites=( https://d2lzkl7pfhq30w.cloudfront.net/pub/archive/fedora/linux/releases/28/Everything/x86_64/os/ 
 http://mirror.math.princeton.edu/pub/fedora-archive/fedora/linux/releases/28/Everything/x86_64/os/ 
 http://pubmirror1.math.uh.edu/fedora-buffet/archive/fedora/linux/releases/28/Everything/x86_64/os/ 
 https://pubmirror2.math.uh.edu/fedora-buffet/archive/fedora/linux/releases/28/Everything/x86_64/os/ 
 http://mirrors.kernel.org/fedora-buffet/archive/fedora/linux/releases/28/Everything/x86_64/os/ 
 https://dl.fedoraproject.org/pub/archive/fedora/linux/releases/28/Everything/x86_64/os/ )
 printf '%s\n%s\n%s\n%s\n%s\n%s\n' '[fedora]' 'name=Fedora 28' 'mirrorlist=file:///etc/yum.repos.d/fedoramirrors' \
        'enabled=0' 'gpgcheck=0' 'priority=100' > /etc/yum.repos.d/fedora28.repo
 printf '%s\n%s\n%s\n%s\n%s\n%s\n' "${sites[0]}" "${sites[1]}" "${sites[2]}" "{$sites[3]}" "${sites[4]}" "${sites[5]}" \
        > /etc/yum.repos.d/fedoramirrors
else
   rel=7
fi
# End Fedora Install CentOS 8 ***** ONLY *****

# Begin DSpam DB Install, Skip if already installed
wget https://raw.githubusercontent.com/qmtoaster/dspam/master/dspamdb.sql
if [ "$?" != "0" ]; then
   echo "Error downloading dspam db: ($?), exiting..."
   exit 1
fi
MYSQLPW=
# Get DB password for administrator and check validity.
if [ -z "$MYSQLPW" ]; then
   read -s -p "Enter MySQL/MariaDB admin password to create dspam database: " MYSQLPW
fi
credfile=~/sql.cnf
echo -e "[client]\nuser=root\npassword='$MYSQLPW'\nhost=localhost" > $credfile
mysqladmin --defaults-extra-file=$credfile status > /dev/null 2>&1
if [ "$?" != "0" ]; then
   echo "Bad MySQL/MariaDB administrator password or MySQL/MariaDB is not running. Exiting..."
   exit 1
fi
echo ""
echo "Dropping Dspam database if it exists already..."
mysql --defaults-extra-file=$credfile -e "use dspam" &> /dev/null
[ "$?" = "0" ] && mysqldump --defaults-extra-file=$credfile dspam > dspam.sql \
               && mysql --defaults-extra-file=$credfile -e "drop database dspam" \
               && echo "dspam db saved to dspam.sql and dropped..."

# Create dspam with correct permissions
echo "Creating Dspam database..."
mysqladmin --defaults-extra-file=$credfile reload
mysqladmin --defaults-extra-file=$credfile refresh
mysqladmin --defaults-extra-file=$credfile create dspam
mysqladmin --defaults-extra-file=$credfile reload
mysqladmin --defaults-extra-file=$credfile refresh
echo "Adding dspam users and privileges..."
mysql --defaults-extra-file=$credfile -e "CREATE USER dspam@localhost IDENTIFIED BY 'p4ssw3rd'"
mysql --defaults-extra-file=$credfile -e "GRANT ALL PRIVILEGES ON dspam.* TO dspam@localhost"
mysqladmin --defaults-extra-file=$credfile reload
mysqladmin --defaults-extra-file=$credfile refresh
echo "Done with dspam database..."
mysql --defaults-extra-file=$credfile dspam < dspamdb.sql
mysqladmin --defaults-extra-file=$credfile reload
mysqladmin --defaults-extra-file=$credfile refresh
# End DSpam DB install


# Rspam Installation:
wget https://rspamd.com/rpm-stable/centos-$rel/rspamd.repo -O /etc/yum.repos.d/rspamd.repo

dnf $FEDORAREPO --enablerepo=qmt-devel install dspam dspam-libs dspam-client dspam-mysql dspam-web rspamd
systemctl enable --now dspam
systemctl status dspam
systemctl enable --now rspamd
systemctl status rspamd

# Update Simscan
dnf --enablerepo=qmt-devel update simscan

# Up qmail limits
sed -i 's/softlimit -m.*\\/softlimit -m 256000000 \\/' /var/qmail/supervise/smtp/run
qmailctl stop
qmailctl start


# SA user prefs

# Create SA DB and load table into MySQL
cat >> ./sadb.sql << EOF
CREATE TABLE userpref (
  username varchar(100) NOT NULL default '',
  preference varchar(30) NOT NULL default '',
  value varchar(100) NOT NULL default '',
  prefid int(11) NOT NULL auto_increment,
  PRIMARY KEY  (prefid),
  KEY username (username)
) ENGINE=InnoDB;
EOF
mysqladmin --defaults-extra-file=$credfile create spamassassin
mysql --defaults-extra-file=$credfile -e "CREATE USER spamassassin@localhost IDENTIFIED BY 'p4ssw3rd'"
mysql --defaults-extra-file=$credfile -e "GRANT ALL PRIVILEGES ON spamassassin.* TO spamassassin@localhost"
mysqladmin --defaults-extra-file=$credfile reload
mysqladmin --defaults-extra-file=$credfile refresh
mysql --defaults-extra-file=$credfile spamassassin < sadb.sql

# Read SA SQL DB
cat >> /etc/mail/spamassassin/sql.cf << EOF
user_scores_dsn                  DBI:mysql:spamassassin:localhost:3306
user_scores_sql_password         p4ssw3rd
user_scores_sql_username         spamassassin
user_scores_sql_custom_query     SELECT preference, value FROM _TABLE_ WHERE username = _USERNAME_ OR username = '$GLOBAL' OR username = CONCAT('%',_DOMAIN_) ORDER BY username ASC
EOF
echo "include sql.cf" >> /etc/mail/spamassassin/local.cf

# Add Per User Settings in SA SQL DB (Yours may differ)
echo "INSERT INTO userpref (username,preference,value) VALUES ('\$GLOBAL','required_hits','5.0');" | mysql -u root -p spamassassin
echo "INSERT INTO userpref (username,preference,value) VALUES ('user@dom.com','required_hits','7.0');" | mysql -u root -p spamassassin
echo "INSERT INTO userpref (username,preference,value) VALUES ('globalspam','required_hits','5.0');" | mysql -u root -p spamassassin
echo "select * from userpref" | mysql -u root -p spamassassin

# Tell SA Daemon To Use SQL DB
sed -i 's/SPAMDOPTIONS=".*"/SPAMDOPTIONS="--create-prefs -m10 -q -x -u clamscan"/' /etc/sysconfig/spamassassin

# Bayesian Filtering
mkdir /etc/mail/spamassassin/.spamassassin
chown -R clamscan:clamscan /etc/mail/spamassassin/.spamassassin
cat >> /etc/mail/spamassassin/bayes.cf << EOF
use_bayes 1
use_bayes_rules 1
bayes_auto_learn 1
bayes_path /etc/mail/spamassassin/.spamassassin/bayes
bayes_auto_learn_threshold_spam 6.0
bayes_file_mode 0775
EOF
echo "include bayes.cf" >> /etc/mail/spamassassin/local.cf
systemctl restart spamassassin


# Tell simscan, append to simcontrol, reload cdb
dspam=yes,rspam=yes,regex
optional: dspamuser=globalspam (Otherwise the first envelope 'rcpt to' address is used)
optional: spamuser=globalspam (Add to userprefs table)
optional: remove spam_hits=* (Otherwise userprefs will not be used)
qmailctl cdb

# This is my configuration:
:clam=yes,spam=yes,rspam=yes,dspam=yes,spam_passthru=yes,attach=.exe:.pif:.scr

Author: Eric Broch
Questions and Comments: ebroch at whitehorsetc.com
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