diff --git a/install/tpl/mysql-virtual_outgoing_bcc.cf.master b/install/tpl/mysql-virtual_outgoing_bcc.cf.master
index fbd82db5c03da7c2ffbb081c38a00634dce13d69..af062f66b2d3a900a2f74270b30555fd3bb41d7d 100644
--- a/install/tpl/mysql-virtual_outgoing_bcc.cf.master
+++ b/install/tpl/mysql-virtual_outgoing_bcc.cf.master
@@ -4,5 +4,5 @@ dbname = {mysql_server_database}
 table = mail_user
 select_field = sender_cc
 where_field = email
-additional_conditions = and postfix = 'y' and disabledeliver = 'n' and disablesmtp = 'n'
+additional_conditions = and postfix = 'y' and disabledeliver = 'n' and disablesmtp = 'n' and sender_cc != ''
 hosts = 127.0.0.1
\ No newline at end of file