diff --git a/modules/mailserver/postfix.nix b/modules/mailserver/postfix.nix
index 78ee32b..e813dcb 100644
--- a/modules/mailserver/postfix.nix
+++ b/modules/mailserver/postfix.nix
@@ -69,13 +69,11 @@ lib.mkIf cfg.enable {
 
       smtpd_recipient_restrictions = listToString [
         "reject_non_fqdn_recipient"
-        "reject_rbl_client ix.dnsbl.manitu.net"
         "reject_unknown_recipient_domain"
         "reject_unverified_recipient"
       ];
 
       smtpd_client_restrictions = listToString [
-        "reject_rbl_client ix.dnsbl.manitu.net"
         "reject_unknown_client_hostname"
       ];