1 .TH preline 1

     2 .SH NAME

     3 preline \- prepend lines to message

     4 .SH SYNOPSIS

     5 in

     6 .BR .qmail\fIext :

     7 .B | preline \fIcommand

     8 .SH DESCRIPTION

     9 .B preline

    10 feeds each incoming mail message through

    11 .IR command .

    12 At the top of each message it inserts

    13 a UUCP-style

    14 .B From_

    15 line, a

    16 .B Return-Path

    17 line, and a

    18 .B Delivered-To

    19 line.

    20 

    21 .B preline

    22 is useful for

    23 .B procmail

    24 and

    25 ELM's

    26 .BR filter ,

    27 which

    28 do not understand the

    29 .B qmail-command

    30 environment variables.

    31 .SH OPTIONS

    32 .TP

    33 .B \-d

    34 Do not include the

    35 .B Delivered-To

    36 line. You should use this option when the

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

    38 but was sent here through

    39 .B control/virtualdomains

    40 for manual routing.

    41 .TP

    42 .B \-f

    43 Do not include the

    44 .B From_

    45 line. You should use this option except for

    46 .IR command s

    47 that create

    48 .I mbox

    49 files.

    50 .TP

    51 .B \-r

    52 Do not include the

    53 .B Return-Path

    54 line.

    55 .SH "SEE ALSO"

    56 mbox(5),

    57 qmail-command(8)