smtp设置错误

zjy325

求教，如何修复，提示Error setting up platform smtp，完整日志：
Logger: homeassistant.components.notify
Source: components/smtp/notify.py:140
Integration: 通知 (documentation, issues)
First occurred: 15:06:45 (1 occurrences)
Last logged: 15:06:45

Error setting up platform smtp
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/notify/legacy.py", line 92, in async_setup_platform
    notify_service = await hass.async_add_executor_job(
  File "/usr/local/lib/python3.10/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/src/homeassistant/homeassistant/components/smtp/notify.py", line 92, in get_service
    if mail_service.connection_is_valid():
  File "/usr/src/homeassistant/homeassistant/components/smtp/notify.py", line 154, in connection_is_valid
    server = self.connect()
  File "/usr/src/homeassistant/homeassistant/components/smtp/notify.py", line 140, in connect
    mail = smtplib.SMTP(self._server, self._port, timeout=self._timeout)
  File "/usr/local/lib/python3.10/smtplib.py", line 255, in __init__
    (code, msg) = self.connect(host, port)
  File "/usr/local/lib/python3.10/smtplib.py", line 343, in connect
    (code, msg) = self.getreply()
  File "/usr/local/lib/python3.10/smtplib.py", line 405, in getreply
    raise SMTPServerDisconnected("Connection unexpectedly closed")
smtplib.SMTPServerDisconnected: Connection unexpectedly closed