Add support for (local) dovecot auth service.

conf/main_ipv4.conf.sample

@@ -289,6 +289,23 @@ mail_user_ports="$standard_mailuser_ports"
 mail_client_ips=""
 forward_mail_client_ips=""
 
+
+# - Dovecot auth service
+# -
+dovecot_auth_service=false
+
+# - Port listen for dovecot auth requests
+# -
+dovecot_auth_port=44444
+
+# - Client Network(s) allowed to connect to dovecot's auth service
+# -
+# - Example:
+# -    dovecot_auth_allowed_networks="192.68.11.64/27 194.150.169.139"
+# - 
+dovecot_auth_allowed_networks=""
+
+
 # - FTP Server
 # -
 ftp_server_ips=""

conf/main_ipv6.conf.sample

@@ -305,6 +305,23 @@ mail_user_ports="$standard_mailuser_ports"
 mail_client_ips=""
 forward_mail_client_ips=""
 
+
+# - (local) Dovecot auth service
+# -
+dovecot_auth_service=false
+
+# - Port listen for dovecot auth requests
+# -
+dovecot_auth_port=44444
+
+# - Client Network(s) allowed to connect to dovecot's auth service
+# -
+# - Example:
+# -    dovecot_auth_allowed_networks="2001:678:a40:3000::/64 2a01:30:0:13:2f7:50ff:fed2:cef7"
+# - 
+dovecot_auth_allowed_networks=""
+
+
 # - FTP Server
 # -
 ftp_server_ips=""

conf/post_decalrations.conf

@@ -272,6 +272,14 @@ for _ip in $forward_mail_client_ips ; do
    forward_mail_client_ip_arr+=("$_ip")
 done
 
+# ---
+# - (local) Dovecot auth service
+# ---
+declare -a dovecot_auth_allowed_network_arr
+for _port in $dovecot_auth_allowed_networks ; do
+   dovecot_auth_allowed_network_arr+=("$_port")
+done
+
 # ---
 # - IP Addresses Mumble Server
 # ---