diff --git a/install_postfix_advanced.sh b/install_postfix_advanced.sh
index 062464c..c1be5ad 100755
--- a/install_postfix_advanced.sh
+++ b/install_postfix_advanced.sh
@@ -2554,7 +2554,7 @@ smtpd_client_restrictions =
    reject_rhsbl_reverse_client dbl.spamhaus.org,
    reject_rhsbl_sender dbl.spamhaus.org,
    reject_rbl_client zen.spamhaus.org,
-   reject_rbl_client ix.dnsbl.manitu.net,
+
    # Greylisting check
    #
    #     check_policy_service inet:127.0.0.1:10023,