+.RS
+.TP 4
+.BR \-\-reply\-to= ( all | sender )
+.RS
+.TP 4
+.BR all " (default)"
+Replies to all addresses.
+.TP 4
+.BR sender
+Replies only to the sender. If replying to user's own message
+(Reply-to: or From: header is one of the user's configured email
+addresses), try To:, Cc:, and Bcc: headers in this order, and copy
+values from the first that contains something other than only the
+user's addresses.
+.RE
+.RE