Add support for aditional smtp ports - OUT AND IN.

conf/main_ipv4.conf.sample

@@ -360,6 +360,19 @@ mm_udp_ports_out="$stansard_mattermost_udp_ports_out"
 smtpd_ips=""
 forward_smtpd_ips=""
 
+# Additional Ports on which SMTP Service should lsiten
+#
+# blank separated list of ports
+#
+smtpd_additional_listen_ports=""
+
+# Additional Ports for outgoing smtp traffic
+#
+# blank separated list of ports
+#
+smtpd_additional_outgoung_ports=""
+
+
 # - Mail Services (smtps/pop(s)/imap(s)
 # -
 mail_server_ips=""

conf/main_ipv6.conf.sample

@@ -376,6 +376,19 @@ mm_udp_ports_out="$stansard_mattermost_udp_ports_out"
 smtpd_ips=""
 forward_smtpd_ips=""
 
+# Additional Ports on which SMTP Service should lsiten
+#
+# blank separated list of ports
+#
+smtpd_additional_listen_ports=""
+
+# Additional Ports for outgoing smtp traffic
+#
+# blank separated list of ports
+#
+smtpd_additional_outgoung_ports=""
+
+
 # - Mail Services (smtps/pop(s)/imap(s)
 # -
 mail_server_ips=""

conf/post_decalrations.conf

@@ -313,6 +313,24 @@ for _ip in $forward_smtpd_ips ; do
 done
 
 
+# ---
+# Additional SMTP Listen Ports
+# ---
+declare -a smtpd_additional_listen_port_arr
+for _port in $smtpd_additional_listen_ports ; do
+   smtpd_additional_listen_port_arr+=("$_port")
+done
+
+
+# ---
+# Additional SMTP Outgoing Ports
+# ---
+declare -a smtpd_additional_outgoung_port_arr
+for _port in $smtpd_additional_outgoung_ports ; do
+   smtpd_additional_outgoung_ports+=("$_port")
+don
+
+
 # ---
 # - IP Addresses XMPP Service (Jabber - Prosody)
 # ---