-\fIinc\fR will normally check local mail drops for mail, as given
-above. But if the option \*(lqpophost:\*(rq is set in the mts
-configuration file \*(lqmts.conf\*(rq, or if the `\-host\ hostname'
-switch is given, then \fIinc\fR will query this POP service host
-for mail to incorporate.
+\fIinc\fR will normally check local mail drops for mail, as covered above. But
+if the option \*(lqpophost:\*(rq is set in \*(lqmts.conf\*(rq, or if the
+`\-host\ hostname' switch is given, or if the \fB$MAILHOST\fR environment
+variable is set, then \fIinc\fR will query this POP service host for mail to
+incorporate. If \fB$MAILHOST\fR is set and \-host is specified as well, the
+commandline switch will override the environment variable.