.B qmail-inject
is to make sure that each outgoing message has an appropriate header.
-For more detailed information, see RFC 822 and RFC 1123.
+For more detailed information, see
+.BR http://pobox.com/~djb/proto/immhf.html .
.SH "MESSAGE STRUCTURE"
A message contains a series of
.I header fields\fR,
fields.
.SH "RESENT MESSAGES"
A message is
-.I forwarded
+.I resent
if it contains any of the following fields:
.BR Resent-Sender ,
.BR Resent-From ,
.BR Resent-Date ,
.BR Resent-Message-ID .
-If a message is forwarded,
+If a message is resent,
.B qmail-inject
changes its behavior as follows.