opencart2.3.0.2,.配置smtp后，前台注册跳转出错

shenenhua

Fatal error: Uncaught exception 'Exception' with message 'Error: DATA not accepted from server!' in E:\wwwroot\2019\feicewatchshop\system\library\mail\smtp.php on line 328
( ! ) Exception: Error: DATA not accepted from server! in E:\wwwroot\2019\feicewatchshop\system\library\mail\smtp.php on line 328


请问这是缺少什么组件（在其他服务器上正常）