Added OpenDKIM to Postfix module

SubModules/postfix/conf.sh

@@ -1,10 +1,15 @@
+
+systemctl stop postfix opendkim
+
+
 ##-------------##
 #    Postfix    #
 ##-------------##
 
-sed -i 's/#inet_interfaces = all/inet_interfaces = loopback-only/g' /etc/postfix/main.cf
-sed -i 's/mydestination/#mydestination/g' /etc/postfix/main.cf
-sed -i 's/relayhost =/mydestination = '$hostname', localhost.'$hostname', '$hostname'/g' /etc/postfix/main.cf
+sed -i "/^inet_interfaces =/c\inet_interfaces = loopback-only" /etc/postfix/main.cf
+sed -i "/recipient_delimiter =/c\recipient_delimiter = +" /etc/postfix/main.cf
+sed -i "/^mydestination =/c\mydestination = \"$hostname\", localhost.\"$hostname\", \"$hostname\"" /etc/postfix/main.cf
+echo "$hostname" > /etc/mailname
 echo "bounce_notice_recipient = info@$domain" >> /etc/postfix/main.cf
 cat <<EOF > /etc/aliases
 # See man 5 aliases for format
@@ -13,6 +18,50 @@ root:          $email
 EOF
 newaliases
 
-systemctl start postfix 
-systemctl enable postfix
-systemctl reload postfix
+cat <<EOF >>
+milter_default_action = accept
+milter_protocol = 2
+smtpd_milters = unix:/var/run/opendkim/opendkim.sock
+non_smtpd_milters = unix:/var/run/opendkim/opendkim.sock
+EOF
+
+
+##--------------##
+#    OpenDKIM    #
+##--------------##
+
+adduser postfix opendkim
+mkdir /etc/opendkim/keys
+chown opendkim:opendkim /etc/opendkim/keys -R
+curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/postfix/config/opendkim.conf -o /etc/opendkim.conf
+cat <<EOF > /etc/opendkim/TrustedHosts
+127.0.0.1
+::1
+localhost
+$(curl -s -4 icanhazip.com)
+$(curl -s -6 icanhazip.com)
+${hostname}
+EOF
+
+
+if [ "$shortdist" = "ubu1804" ] || [ "$shortdist" = "ubu2004" ] || [ "$shortdist" = "deb10" ] ; then
+    mkdir /var/spool/postfix/opendkim
+    sudo chown opendkim:postfix /var/spool/postfix/opendkim
+    sed -i "/^RUNDIR=/c\RUNDIR=/var/spool/postfix/var/run/opendkim" /etc/default/opendkim
+    echo "TrustAnchorFile       /usr/share/dns/root.key" >> /etc/opendkim/conf
+    bash /lib/opendkim/opendkim.service.generate
+    systemctl daemon-reload
+fi
+
+cat << EOF > /etc/update-motd.d/51-generalSPF
+#!/bin/sh
+red='\e[1;31m%s\e[0m\n'
+printf "\n"
+printf \$red "To enable mail for this server add \"ip4:\$(curl -s -4 icanhazip.com) ip6:\$(curl -s -6 icanhazip.com)\" to $hostname SPF"
+printf \$red "remove notice this by running \"rm /etc/update-motd.d/51-generalSPF\""
+printf "\n"
+EOF
+chmod +x /etc/update-motd.d/51-generalSPF
+
+systemctl start postfix opendkim 
+systemctl enable postfix opendkim