.TH preline 1

.SH NAME

preline \- prepend lines to message

.SH SYNOPSIS

in

.BR .qmail\fIext :

.B | preline \fIcommand

.SH DESCRIPTION

.B preline

feeds each incoming mail message through

.IR command .

At the top of each message it inserts

a UUCP-style

.B From_

line, a

.B Return-Path

line, and a

.B Delivered-To

line.

.B preline

is useful for

.B procmail

and

ELM's

.BR filter ,

which

do not understand the

.B qmail-command

environment variables.

.SH OPTIONS

.TP

.B \-d

Do not include the

.B Delivered-To

line. You should use this option when the

recipient of the incoming mail message is actually under remote control,

but was sent here through

.B control/virtualdomains

for manual routing.

.TP

.B \-f

Do not include the

.B From_

line. You should use this option except for

.IR command s

that create

.I mbox

files.

.TP

.B \-r

Do not include the

.B Return-Path

line.

.SH "SEE ALSO"

mbox(5),

qmail-command(8)