pwcheck_method: saslauthd
mech_list: plain login
allow_plaintext: true
auxprop_plugin: sql
sql_engine: mysql
sql_hostnames: 127.0.0.1
sql_user: {{ mail_db_user}}
sql_passwd: {{ mail_db_password }}
sql_database: {{ mail_db_name }}
sql_select: select {{ mail_db_users_password_field}} from {{ mail_db_users_table_name }} where {{ mail_db_users_username_field }} = '%u@%r'
log_level: 9