Index: Makefile
===================================================================
--- Makefile	(revision 437320)
+++ Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	ddclient
 PORTVERSION=	3.8.3
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	dns
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
Index: files/ddclient_force.in
===================================================================
--- files/ddclient_force.in	(revision 437320)
+++ files/ddclient_force.in	(working copy)
@@ -16,9 +16,16 @@
 		echo
 		echo 'Forcing ddclient update:'
 
-		out=`%%PREFIX%%/sbin/ddclient -force`
-		echo "$out"
-		rc=0
+		# sleep randomly to reduce congestion on dyn dns server.  In
+		# FreeBSD 12.0 the anticongestion function should be used
+		# instead of a hard-coded sleep
+		if [ -n "$anticongestion_sleeptime" ]; then
+			anticongestion
+		else
+			sleep `jot -r 1 0 900`
+		fi
+
+		%%PREFIX%%/sbin/ddclient -force || rc=3
 		;;
 	*)
 		rc=0