smtp.py 文件源码

def connection_is_valid(self):
        """Check for valid config, verify connectivity."""
        server = None
        try:
            server = self.connect()
        except smtplib.socket.gaierror:
            _LOGGER.exception(
                "SMTP server not found (%s:%s). "
                "Please check the IP address or hostname of your SMTP server",
                self._server, self._port)
            return False

        except (smtplib.SMTPAuthenticationError, ConnectionRefusedError):
            _LOGGER.exception(
                "Login not possible. "
                "Please check your setting and/or your credentials")
            return False

        finally:
            if server:
                server.quit()

        return True