diff --git a/defaults/ldap_relay_domains b/defaults/ldap_relay_domains
index f5f6c3c..0a2f4dd 100644
--- a/defaults/ldap_relay_domains
+++ b/defaults/ldap_relay_domains
@@ -4,7 +4,7 @@ version = 3
 bind = no
 #bind_dn = cn=admin,dc=example,dc=com
 #bind_pw = password
-query_filter = (&(objectClass=inetLocalMailRecipient) (!(mailHost=@THIS_HOST@)) (|(mail=%s) (mailLocalAddress=%s)))
+query_filter = (&(objectClass=inetLocalMailRecipient) (!(mailHost=@THIS_HOST@)) (dc=%s))
 #domain = example.com, hash:/etc/postfix/searchdomains
 #expansion_limit = 1
 #recursion_limit = 1