diff --git a/plugins/postfix/postfix-rbl-blocked-mails b/plugins/postfix/postfix-rbl-blocked-mails
index d9e595d6..beb78b4e 100755
--- a/plugins/postfix/postfix-rbl-blocked-mails
+++ b/plugins/postfix/postfix-rbl-blocked-mails
@@ -41,8 +41,13 @@ if [ "$1" = "config" ]; then
 fi
 
 
-printf 'spamhaus.value %s\n' "$(get_blocked_by_domain_count "sbl-xbl.spamhaus.org")"
-printf 'spamcop.value %s\n' "$(get_blocked_by_domain_count "bl.spamcop.net")"
-printf 'manitu.value %s\n' "$(get_blocked_by_domain_count "ix.dnsbl.manitu.net")"
-printf 'msrbl.value %s\n' "$(get_blocked_by_domain_count "combined.rbl.msrbl.net")"
-printf 'njabl.value %s\n' "$(get_blocked_by_domain_count "combined.njabl.org")"
+# sbl-xbl.spamhaus.org or zen.spamhaus.org
+printf 'spamhaus.value %s\n' "$(get_blocked_by_domain_count "spamhaus.org")"
+# bl.spamcop.net
+printf 'spamcop.value %s\n' "$(get_blocked_by_domain_count "spamcop.net")"
+# ix.dnsbl.manitu.net
+printf 'manitu.value %s\n' "$(get_blocked_by_domain_count "manitu.net")"
+# combined.rbl.msrbl.net
+printf 'msrbl.value %s\n' "$(get_blocked_by_domain_count "msrbl.net")"
+# combined.njabl.org
+printf 'njabl.value %s\n' "$(get_blocked_by_domain_count "njabl.org")"