Choose which protocol should be used for this specific port. When a client connects to the port, hMailServer will use this protocol to parse the incoming commands from the client.
Specify the TCP/IP address hMailServer should listen on. The default value, 0.0.0.0, means that hMailServer will listen on all available IP addresses.
The port number hMailServer should listen on, on the specified IP address.
Select the connection security to be used fort he port.
If you have choosen to use SSL or TLS, you must select which SSL certificate you want to use for this specific port.