An octal number which defines the permission bits for new message files.
See
.BR chmod (1)
-for an explanation of the octal number.
+for an explanation of the octal number. Note that some filesystems,
+such as FAT32, do not support removal of read file permissions.
(profile, default: 0600)
.RE
.PP
.fi
.SH "SEE ALSO"
-nmh(1), environ(5), mh-sequence(5)
+nmh(7), environ(5), mh-sequence(5)
.SH HISTORY
The