1divert(-1) 2# 3# Copyright (c) 1983 Eric P. Allman 4# Copyright (c) 1988, 1993 5# The Regents of the University of California. All rights reserved. 6# 7# %sccs.include.redist.sh% 8# 9 10divert(0) 11VERSIONID(`@(#)bestmx_is_local.m4 8.1 (Berkeley) 01/26/95') 12divert(-1) 13 14LOCAL_CONFIG 15Kbestmx bestmx 16 17LOCAL_NET_CONFIG 18 19# If we are the best MX for a site, then we want to accept 20# its mail as local. We assume we've already weeded out mail to 21# UUCP sites which are connected to us, which should also have 22# listed us as their best MX. 23# 24# Warning: this may generate a lot of extra DNS traffic -- a 25# lower cost method is to list all the expected best MX hosts 26# in $=w. This should be fine (and easier to administer) for 27# low to medium traffic hosts. 28 29R$* < @ $* > $* $: $1 < @ $2 @@ $(bestmx $2 $) > $3 30R$* < @ $* @@ $=w . > $* $#local $: $1 31R$* < @ $* @@ $* > $* $: $1 < @ $2 > $4 32