Run in standalone mode. An optional number specifies the maximum number
of child processes the daemon is allowed to fork. When it is omitted,
it defaults to 20 processes.
Please note, that there should be no whitespace between the
-d and its parameter.
-i
--inetd
Run in inetd mode.
-p number
--port number
Listen on given port number. This option is meaningful only in
standalone mode. It defaults to port 143.
-t number
--timeout number
Set idle timeout to given number of seconds. The daemon breaks the
connection if it receives no commands from the client within that number
of seconds.