default_pass_scheme = MD5
driver = mysql
connect = host=localhost dbname=postfix user=postfix password=xxxxxx
password_query = SELECT mailbox.password AS password FROM mailbox WHERE username='%u'
user_query = SELECT '8' AS uid, '8' AS gid, CONCAT('/data/mail/vmail/', maildir) AS mail, CONCAT('/data/mail/vmail/', maildir) AS home FROM mailbox WHERE username='%u'