Merge pull request #560 from mikeashley/submission-port

Use submission port for client outgoing email

roles/mailserver/files/etc_postfix_master.cf

 smtpd      pass  -       -       -       -       -       smtpd
 dnsblog    unix  -       -       -       -       0       dnsblog
 tlsproxy   unix  -       -       -       -       0       tlsproxy
-#submission inet  n       -       -       -       -       smtpd
-#  -o syslog_name=postfix/submission
-#  -o smtpd_tls_security_level=encrypt
-#  -o smtpd_etrn_restrictions=reject
-#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
-#  -o milter_macro_daemon_name=ORIGINATING
+submission inet  n       -       -       -       -       smtpd
+  -o syslog_name=postfix/submission
+  -o smtpd_tls_security_level=encrypt
+  -o smtpd_etrn_restrictions=reject
+  -o smtpd_client_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject
+  -o smtpd_sasl_security_options=noanonymous,noplaintext
+  -o smtpd_sasl_tls_security_options=noanonymous
 
 # SMTP over SSL/TLS on port 465.
 smtps     inet  n       -       -       -       -       smtpd

roles/mailserver/tasks/postfix.yml

   with_items:
     - smtp
     - ssmtp
+    - submission
   tags: ufw

roles/mailserver/templates/var_www_autoconfig_mail_config-v1.1.j2

         </incomingServer>
         <outgoingServer type="smtp">
             <hostname>{{ mail_server_hostname }}</hostname>
-            <port>465</port>
-            <socketType>SSL</socketType>
+            <port>587</port>
+            <socketType>STARTTLS</socketType>
             <authentication>password-cleartext</authentication>
             <username>%EMAILADDRESS%</username>
         </outgoingServer>