--- sendmail.cf.orig	Thu Sep 25 15:56:20 2003
+++ sendmail.cf		Thu Sep 25 17:42:40 2003
@@ -1302,6 +1302,34 @@
 R<$*> <$*>		$: $2
 
 
+# allow relaying for hosts which we MX serve
+Kbestmx_res bestmx -z, -T<ERR>
+Kbestmx_ina dns -R A -T<ERR>
+Kbestmx_ip regex -m ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$
+
+R$*			$: $1 $|
+R$+<@$+>$|		$: $1<@$2> $| $(bestmx_res $2 $)
+R$*$|<ERR>		$#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1
+R$*$|$+,$*		$1 $| $2
+R$*$|$+.		$1 $| $2
+R$+<@$+>$|		$: $1<@$2> $| $2
+R$*$|$+			$: $1 $| $2 $| $(bestmx_ip $2 $: $)
+R$*$|$+$|		$: $1 $| $2 $| $(bestmx_ina $2 $: $)
+R$*$|$+$|<ERR>		$#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1
+R$*$|$+$|$*		$: $1 $| $3 $|
+R$*$|$-.$-.$-.$-$|	$: $1 $| $2.$3.$4.$5 $| $(access RelayTo:$2.$3.$4.$5 $: $)
+R$*$|$-.$-.$-.$-$|	$: $1 $| $2.$3.$4.$5 $| $(access RelayTo:$2.$3.$4    $: $)
+R$*$|$-.$-.$-.$-$|	$: $1 $| $2.$3.$4.$5 $| $(access RelayTo:$2.$3       $: $)
+R$*$|$-.$-.$-.$-$|	$: $1 $| $2.$3.$4.$5 $| $(access RelayTo:$2          $: $)
+R$*$|$+$|$*		$: $1 $| $3
+R$*$|$={Accept}		$@ RELAY
+R$*$|DISCARD		$#discard $: discard
+R$*$|REJECT		$#error $@ 5.7.1 $: "550 Relaying disabled"
+R$*$|QUARANTINE:$*	$#error $@ quarantine $: $2
+R$*$|ERROR:$-.$-.$-:$+	$#error $@ $2.$3.$4 $: $5
+R$*$|ERROR:$+		$#error $: $2
+R$*$|$+			$#error $: $2
+R$*$|$*			$: $1
 
 # check for local user (i.e. unqualified address)
 R$*			$: <?> $1