diff --git a/config.sample/plugins b/config.sample/plugins
index 46e75d6..28684a6 100644
--- a/config.sample/plugins
+++ b/config.sample/plugins
@@ -73,6 +73,7 @@ headers reject 0 reject_type temp require From,Date future 2 past 15
 bogus_bounce log
 #loop
 dkim reject 0
+# dmarc requires dkim and SPF to run before it
 dmarc
 
 # content filters