ddd

driver = mysql
connect = host=db dbname=mailbase user=mda password=%%PASSWORD%%
default_pass_scheme = SHA512-CRYPT

password_query = SELECT password FROM mailbox WHERE username = '%u'
user_query = SELECT CONCAT('/vmail/', maildir) AS home, 5001 AS uid, 5001 AS gid, CONCAT('maildir:storage=', FLOOR(quota/1024)) AS quota FROM mailbox WHERE username = '%u' AND active = '1'