diff --git a/roles/mail/templates/main.cf.j2 b/roles/mail/templates/main.cf.j2
index f82994a..3784084 100644
--- a/roles/mail/templates/main.cf.j2
+++ b/roles/mail/templates/main.cf.j2
@@ -75,6 +75,8 @@ smtpd_recipient_restrictions =
   reject_non_fqdn_recipient,
   reject_unauth_destination,
   reject_unauth_pipelining,
+  reject_rbl_client bl.spamcop.net,
+  reject_rbl_client allinone.bl.blocklist.de,
   reject_invalid_hostname
  
 smtpd_sasl_auth_enable = yes