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 this if you want the transmission between the client and hMailServer to be encrypted. If SSL is enabled, all communication with hMailServer made on this port needs to be done using SSL. hMailServer does not support STARTTLS.
If you have choosen to use SSL, you must select which SSL certificate you want to use for this specific port.