driver = mysql
connect = host=dbserver dbname=postfix user=postfix password=password
default_pass_scheme = MD5-CRYPT

user_query = \
    SELECT \
        '/var/mail/domains/%u/' as home, \
        'maildir:/var/mail/domains/%u/' as mail, \
        8 AS uid, \
        12 AS gid, \
        concat('dirsize:storage=', quota) AS quota \
    FROM mailbox \
    WHERE username = '%u' AND active = '1'

password_query = \
    SELECT \
        username as user, \
        password, \
        '/var/mail/domains/%u/' as userdb_home, \
        'maildir:/var/mail/domains/%u/' as userdb_mail, \
        8 as userdb_uid, \
        12 as userdb_gid \
    FROM mailbox \
    WHERE username = '%u' AND active = '1'