请教一下
报错信息如下，但是事实上已经成功接收到了邮件：
2025-06-20 21:06:59.387 | INFO | EMAIL | 邮件发送失败: Traceback (most recent call last):
File "/opt/anaconda3/envs/VNT/lib/python3.12/site-packages/vnpy/trader/engine.py", line 598, in run
with smtplib.SMTP_SSL(server, port) as smtp:
File "/opt/anaconda3/envs/VNT/lib/python3.12/smtplib.py", line 284, in exit
raise SMTPResponseException(code, message)
smtplib.SMTPResponseException: (-1, b'\x00\x00\x00')
