diff --git a/defaults/main.yml b/defaults/main.yml
index b375bc3..7741001 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -31,3 +31,6 @@ postfix_postscreen_dnsbl_sites:
     multiplier: 2
   - name: "zen.spamhaus.org=127.0.0.[2..11]"
     multiplier: 2
+
+postfix_blocked_domains: []
+postfix_blocked_senders: []