读取163企业邮箱内容较多的邮件发生错误

[BananaRR]

[root@LQLVPZABBIX-PRO05 zabbix_agentd.d]# python3 /root/check_mail.py
Traceback (most recent call last):
File "/root/check_mail.py", line 3, in
mail = server.get_latest() # 获取最新邮件
File "/usr/local/lib/python3.6/site-packages/zmail/server.py", line 172, in get_latest
mail = server.get_mail(latest_num)
File "/usr/local/lib/python3.6/site-packages/zmail/server.py", line 362, in get_mail
return self.server.retr(which)[1]
File "/usr/lib64/python3.6/poplib.py", line 248, in retr
return self._longcmd('RETR %s' % which)
File "/usr/lib64/python3.6/poplib.py", line 183, in _longcmd
return self._getlongresp()
File "/usr/lib64/python3.6/poplib.py", line 159, in _getlongresp
resp = self._getresp()
File "/usr/lib64/python3.6/poplib.py", line 152, in _getresp
raise error_proto(resp)
poplib.error_proto: b'-ERR Download exceed. msg=10'