diff --git a/config/postfix/mysql_virtual_alias_domain_mailbox_maps.cf b/config/postfix/mysql_virtual_alias_domain_mailbox_maps.cf
new file mode 100644
index 0000000..8e7aeb1
--- /dev/null
+++ b/config/postfix/mysql_virtual_alias_domain_mailbox_maps.cf
@@ -0,0 +1,5 @@
+user = postfixadmin
+password = PASSword
+hosts = 127.0.0.1
+dbname = postfixadmin
+query = SELECT maildir FROM mailbox,alias_domain WHERE alias_domain.alias_domain = '%d' and mailbox.username = CONCAT('%u', '@', alias_domain.target_domain) AND mailbox.active = 1 AND alias_domain.active='1'
\ No newline at end of file