1.\" $NetBSD: forward.5,v 1.2 2010/08/16 12:54:20 pooka Exp $ 2.\" 3.\" Copyright (c) 1996 4.\" Mike Pritchard <mpp@FreeBSD.org>. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Mike Pritchard and 17.\" contributors. 18.\" 4. Neither the name of the author nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" $FreeBSD: /repoman/r/ncvs/src/share/man/man5/forward.5,v 1.8 2004/07/03 18:29:22 ru Exp $ 35.\" 36.Dd July 2, 1996 37.Dt FORWARD 5 38.Os 39.Sh NAME 40.Nm forward 41.Nd mail forwarding instructions 42.Sh DESCRIPTION 43The 44.Nm .forward 45file contains a list of mail addresses or programs 46that the user's mail should be redirected to. 47If the 48file is not present, then no mail forwarding will be done. 49Mail may also be forwarded as the standard input to a program 50by prefixing the line 51with the normal shell pipe symbol (|). 52If arguments 53are to be passed to the command, then the entire line 54should be enclosed in quotes. 55For security reasons, the 56.Nm .forward 57file must be owned by the user the mail is being sent to, 58or by root, and the user's shell must be listed in 59.Pa /etc/shells . 60.Pp 61For example, if a 62.Nm .forward 63file contained the following lines: 64.Bd -literal -offset indent 65nobody@NetBSD.org 66"|/usr/bin/vacation nobody" 67.Ed 68.Pp 69Mail would be forwarded to 70.Aq nobody@NetBSD.org 71and to the program 72.Pa /usr/bin/vacation 73with the single argument 74.Ar nobody . 75.Pp 76If a local user address is prefixed with a backslash 77character, mail is delivered directly to the user's 78mail spool file, bypassing further redirection. 79.Pp 80For example, if user chris had a 81.Nm .forward 82file containing the following lines: 83.Bd -literal -offset indent 84chris@otherhost 85\echris 86.Ed 87.Pp 88One copy of mail would be forwarded to 89.Ar chris@otherhost 90and another copy would be retained as mail for local user chris. 91.Sh FILES 92.Bl -tag -width $HOME/.forward -compact 93.It Pa $HOME/.forward 94The user's forwarding instructions. 95.El 96.Sh SEE ALSO 97.Xr aliases 5 , 98.Xr mailaddr 7 , 99.Xr sendmail 8 100