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.TH REDMAIL 1
.CT 1 mail
.SH NAME
redmail, blackmail \- multilevel mail
.SH SYNOPSIS
.B redmail
.PP
.B blackmail
.I maildir
.SH DESCRIPTION
These commands arrange for the delivery and receipt of
mail with varying security labels.
.PP
.I Redmail
simulates
.IR mail (1)
for reading multilevel mail.
.PP
To receive timely notification of multilevel mail, set the shell variable
.B MAIL
to
.IB maildir /FLAG .
.PP
.I Blackmail
delivers multilevel mail to the private mail directory
.I maildir.
To arrange for incoming mail to be handled by
.I blackmail,
provide a directory
.I maildir
(conventionally
.F .mail
in your home directory) and edit a single line like
.IP
.EX
Pipe to blackmail $HOME/.mail
.EE
.LP
into your regular mailbox,
.BI /usr/spool/mail/ logname.
Thereafter a separate
.I blackmail
process runs for each letter.
Letters receive the security label of their source.
.SH FILES
.F $HOME/.mail/*
.SH SEE ALSO
.IR mail (1)
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