Alex opens the main configuration file at /etc/pmta/config . This is where the magic happens.
<smtp-listener 0.0.0.0:25> # Allow relaying only from specific IPs (your web servers) allow-relay 192.168.1.10 require-auth true </smtp-listener> powermta configuration guide top
to listen on all interfaces or specify a private IP for internal relaying. http-mgmt-port Alex opens the main configuration file at /etc/pmta/config