diff -u amavisd-new-2.5.2/debian/changelog amavisd-new-2.5.2/debian/changelog
--- amavisd-new-2.5.2/debian/changelog
+++ amavisd-new-2.5.2/debian/changelog
@@ -1,3 +1,13 @@
+amavisd-new (1:2.5.2-2ubuntu2) hardy; urgency=low
+
+  * debian/amavisd-new-cronjob:
+    - fix output redirect to /dev/null, if the script is being called
+      by SUUSER
+    - Also redirect STDERR to /dev/null, because sa-learn complains
+      there when it is disabled (LP: #165184)
+
+ -- dAniel hAhler <ubuntu@thequod.de>  Sat, 29 Dec 2007 08:13:54 +0100
+
 amavisd-new (1:2.5.2-2ubuntu1) hardy; urgency=low
 
   * Merge from Debian Unstable.  Remaining Ubuntu changes:
diff -u amavisd-new-2.5.2/debian/amavisd-new-cronjob amavisd-new-2.5.2/debian/amavisd-new-cronjob
--- amavisd-new-2.5.2/debian/amavisd-new-cronjob
+++ amavisd-new-2.5.2/debian/amavisd-new-cronjob
@@ -21,18 +21,18 @@
 	if [ "$(id -u -n)" != "${SUUSER}" ]; then
 		exec /bin/su - "${SUUSER}" -c "$*"
 	else
-		# to get the same quoting level as the su path
-		CMD="$*"
-		exec ${CMD}
+		# Use "/bin/sh -c" so that the output redirect works:
+		# (and to get the same quoting level as the su path)
+		exec /bin/sh -c "$*"
 	fi
 }
 
 case $1 in
 	sa-sync)
-		do_amavis_cmd "/usr/bin/sa-learn --sync >/dev/null"
+		do_amavis_cmd "/usr/bin/sa-learn --sync >/dev/null 2>&1"
 		;;
 	sa-clean)
-		do_amavis_cmd "/usr/bin/sa-learn --sync --force-expire >/dev/null"
+		do_amavis_cmd "/usr/bin/sa-learn --sync --force-expire >/dev/null 2>&1"
 		;;
 	*)
 		echo "$0: unknown cron routine $1" >&2