.B \-from
.IR addr ,
you can specify the \*(lqFrom:\*(rq header of
-the draft. Naturally,
+the draft. If no
+.B \-from
+switch is used when sending,
+.B mhmail
+will supply a \*(lqFrom:\*(rq header field using the sender's local mailbox.
+Naturally,
.B post
will fill\-in the \*(lqSender:\*(rq
header correctly.