passdb {
driver = sql
args = /etc/dovecot/dovecot-sql.conf.ext
}driver = mysql
connect = host=/var/run/mysqld/mysqld.sock dbname=mails user=yaa_admin password=*********
password_query = SELECT userid AS username, domain, password \
FROM yaa_users WHERE userid = '%n' AND domain = '%d'
user_query = SELECT home, uid, gid FROM yaa_users WHERE userid = '%n' AND domain = '%d'
iterate_query = SELECT userid AS username, domain FROM yaa_usershosts = unix:/var/run/mysqld/mysqld.sock
user = yaa_admin
password = ********
dbname = yaa
query = SELECT dest FROM yaa_active_aliases WHERE address='%s'