all/mail/nomail ]
.RB [ \-host
.IR hostname ]
+.RB [ \-port
+.IR portname/number ]
.RB [ \-user
.IR username ]
.RB [ \-sasl " | " \-nosasl ]
switch is given,
.B msgchk
will query this POP service host as to the status of
-mail waiting.
+mail waiting. The
+.B \-port
+switch specifies the port name or number used to connect to the POP
+server. If unspecified, the default is \*(lqpop3\*(rq.
.PP
To specify a username for authentication with the POP server, use the
.B \-user