diff --git a/install/ubuntu/dnsbl.conf b/install/ubuntu/dnsbl.conf
index 5166b255e..1cbd1cd9f 100644
--- a/install/ubuntu/dnsbl.conf
+++ b/install/ubuntu/dnsbl.conf
@@ -1,2 +1,4 @@
 bl.spamcop.net
 zen.spamhaus.org
+ubl.unsubscore.com
+l2.apews.org