- pwcheck_method: saslauthd
- mech_list: plain login
- allow_plaintext: true
- #auxprop_plugin: sql
- sql_engine: mysql
- sql_hostnames: 127.0.0.1
- sql_user: ispconfig
- sql_passwd: hehehee :)
- sql_database: dbispconfig
- sql_select: select password from mail_user where email = '%u' and postfix='y'