diff -Nur sendmail-8.9.2/cf/feature/redirect.m4 sendmail-8.9.2.pld/cf/feature/redirect.m4
--- sendmail-8.9.2/cf/feature/redirect.m4	Tue Dec 29 18:42:11 1998
+++ sendmail-8.9.2.pld/cf/feature/redirect.m4	Sun Jan 17 13:06:26 1999
@@ -18,6 +18,7 @@
 
 PUSHDIVERT(3)
 # addresses sent to foo@host.REDIRECT will give a 551 error code
+R$*@$*@$*			$#error $@ 5.7.1 $: "551 What is your problem, Willy?"
 R$* < @ $+ .REDIRECT. >		$: $1 < @ $2 . REDIRECT . > < ${opMode} >
 R$* < @ $+ .REDIRECT. > <i>	$: $1 < @ $2 . REDIRECT. >
 R$* < @ $+ .REDIRECT. > < $- >	$# error $@ 5.1.1 $: "551 User has moved; please try " <$1@$2>