diff --git a/core/postfix/conf/main.cf b/core/postfix/conf/main.cf
index 8b4b11ac..43ed2df0 100644
--- a/core/postfix/conf/main.cf
+++ b/core/postfix/conf/main.cf
@@ -104,7 +104,6 @@ smtpd_client_restrictions =
   reject_non_fqdn_sender,
   reject_unknown_sender_domain,
   reject_unknown_recipient_domain,
-  reject_unverified_recipient,
   permit
 
 smtpd_relay_restrictions =