diff --git a/roles/shell/files/etc/postfix/main.cf b/roles/shell/files/etc/postfix/main.cf
index f0f68544..e49f02a9 100644
--- a/roles/shell/files/etc/postfix/main.cf
+++ b/roles/shell/files/etc/postfix/main.cf
@@ -62,6 +62,7 @@ smtpd_recipient_restrictions =
  check_policy_service unix:private/policyd-spf,
  reject_rbl_client blackholes.tepucom.nl,
  reject_rbl_client spam.dnsbl.anonmails.de,
+ reject_rbl_client all.spamrats.com,
  reject_rbl_client sbl.spamhaus.org,
  reject_rhsbl_sender dbl.spamhaus.org