+.Pp
+.Tw Ds
+.Tp Fl v
+Verbose mode. The details of
+delivery are displayed on the users terminal.
+.Tp Fl i
+Ignore tty interrupt signals. This is
+particularly useful when using
+.Nm mail
+on noisy phone lines.
+.Tp Fl I
+Forces mail to run in interactive mode even when
+input isn't a terminal. In particular, the
+.Sq Ic \&~
+special
+character when sending mail is only active in interactive mode.
+.Tp Fl n
+Inhibits reading
+.Pa /usr/share/misc/Mail.rc
+upon startup.
+.Tp Fl N
+Inhibits the initial display of message headers
+when reading mail or editing a mail folder.
+.Tp Fl s
+Specify subject on command line
+(only the first argument after the
+.Fl s
+flag is used as a subject; be careful to quote subjects
+containing spaces.)
+.Tp Fl c
+Send carbon copies to
+.Ar list
+of users.
+.Tp Fl b
+Send blind carbon copies to
+.Ar list .
+List should be a comma-separated list of names.
+.Tp Fl f
+Read in the contents of your
+.Ar mbox
+(or the specified file)
+for processing; when you
+.Ar quit ,
+.Nm mail
+writes undeleted messages back to this file.
+.Tp Fl u
+Is equivalent to:
+.Dl mail -f /var/spool/mail/user
+.Tp
+.Ss Sending mail
+To send a message to one or more people,
+.Nm mail