+OK Dovecot ready.

+OK Dovecot DA ready.

HTTP/1.1 200 OK Connection: close Content-Length: 9 Accept-Ranges: bytes Content-Type: text/html Date: Thu, 01 Oct 2020 16:02:44 GMT Etag: "9-5a73dec73e781" Last-Modified: Thu, 04 Jun 2020 08:28:05 GMT Server: Apache/2.4.25 (Debian)

+OK Dovecot ready.

+OK Dovecot ready.

HTTP/1.0 200 OK Server: Proxy Unauthorized ... IP Address: *.*.*.* MAC Address: Server Time: 2020-10-02 00:02:09 Auth Result: 无效用户.

+OK Dovecot ready.

+OK QQMail POP3 Server v1.0 Service Ready(QQMail v2.0)

+OK Dovecot ready.

+OK Dovecot ready.