remove "from local" (the default) from one of the match rules: the line

immediately above also uses this notation, it's shorter, and it keeps
two examples in the man page which claim to be the same as the default config
(but with exceptions) in sync;
ok gilles

src/etc/mail/smtpd.conf

@@ -1,4 +1,4 @@
-#	$OpenBSD: smtpd.conf,v 1.10 2018/05/24 11:40:17 gilles Exp $
+#	$OpenBSD: smtpd.conf,v 1.11 2018/06/04 21:10:58 jmc Exp $
 
 # This is the smtpd server system-wide configuration file.
 # See smtpd.conf(5) for more information.
@@ -16,4 +16,4 @@ action "relay" relay
 #
 # match from any for domain "example.org" action "local"
 match for local action "local"
-match from local for any action "relay"
+match for any action "relay"