diff --git a/config.sample/plugins b/config.sample/plugins
index 0775c24..b3df0a2 100644
--- a/config.sample/plugins
+++ b/config.sample/plugins
@@ -55,7 +55,7 @@ auth/authdeny
 # this plugin needs to run after all other "rcpt" plugins
 rcpt_ok
 
-headers days 5 reject_type temp
+headers days 5 reject_type temp require From,Date
 domainkeys
 
 # content filters