before storing it. Besides \fBMBOXO\fP and \fBMBOXRD\fP there is also
\fBMBOXCL\fP which is \fBMBOXO\fP with a "Content-Length:"-field with the
number of bytes in the message body; some MUAs (like
-.BR mutt (1))
+.BR madmutt (1))
do automatically transform \fBMBOXO\fP mailboxes into \fBMBOXCL\fP ones when
ever they write them back as \fBMBOXCL\fP can be read by any \fBMBOXO\fP-MUA
without any problems.
.PP
.\"
.SH "SEE ALSO"
-.BR mutt (1),
+.BR madmutt (1),
.BR fcntl (2),
.BR flock (2),
.BR link (2),