-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 @@
+diff -urNp -x '*.orig' sendmail-8.16.1.org/cf/feature/redirect.m4 sendmail-8.16.1/cf/feature/redirect.m4
+--- sendmail-8.16.1.org/cf/feature/redirect.m4 2020-05-19 21:54:31.000000000 +0200
++++ sendmail-8.16.1/cf/feature/redirect.m4 2021-10-03 22:30:57.858924594 +0200
+@@ -18,6 +18,7 @@ divert(-1)
- PUSHDIVERT(3)
+ LOCAL_RULE_0
# 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@$2>
+ R$* < @ $+ .REDIRECT. > < $- > $#error $@ 5.1.1 $: "551 User has moved; please try " <$1@$2>