diff --git a/Shorewall/Macros/macro.Submission b/Shorewall/Macros/macro.Submission
index 8e80a3dc7..c67c1f79b 100644
--- a/Shorewall/Macros/macro.Submission
+++ b/Shorewall/Macros/macro.Submission
@@ -1,11 +1,9 @@
 #
-# Shorewall - Submission Macro
+# Shorewall -- /usr/share/shorewall/macro.Submission
 #
-# /usr/share/shorewall/macro.Submission
-#
-#	This macro handles mail message submission traffic.
+#	This macro handles mail message submission (MSA) traffic.
 #
 ###############################################################################
-#ACTION	SOURCE	DEST	PROTO	DEST	SOURCE	ORIGIN	RATE	USER/
-#				PORT(S)	PORT(S)	DEST	LIMIT	GROUP
-PARAM	-	-	tcp	587
+#ACTION	SOURCE	DEST	PROTO	DPORT	SPORT	ORIGDEST	RATE	USER
+
+MSA