CyberPanel/install/email-configs/dovecot-sql.conf.ext

driver = mysql
connect = host=127.0.0.1 dbname=cyberpanel user=cyberpanel password=1qaz@9xvps
password_query = SELECT email as user, password FROM e_users WHERE email='%u';
user_query = SELECT '5000' as uid, '5000' as gid, mail FROM e_users WHERE email='%u';