mysql-virtual_mailboxes.cf.master

user = {mysql_server_ispconfig_user}
password = {mysql_server_ispconfig_password}
dbname = {mysql_server_database}
hosts = {mysql_server_ip}
query = SELECT CONCAT(SUBSTRING_INDEX(email,'@',-1),'/',SUBSTRING_INDEX(email,'@',1),'/') FROM mail_user WHERE email = '%s' AND postfix = 'y' AND disabledeliver = 'n' AND server_id = {server_id}
           AND EXISTS (SELECT domain_id FROM mail_domain WHERE domain = SUBSTRING_INDEX('%s', '@', -1) AND active = 'y' AND server_id = {server_id})