TELNET 登陆邮件服务器，取邮件例子

[root@vpc1 ~]# telnet pop.mail.yahoo.com.cn 110

Trying 203.209.228.241...

Connected to pop.mail.yahoo.com.cn (203.209.228.241).

Escape character is '^]'.

+OK hello from popgate 2.43 on pop102.mail.cnb.yahoo.com

USER xiuno

+OK password required.

PASS ******

+OK maildrop ready, 266 messages (17685744 octets) (37086083)

STAT

+OK 266 17685744

LIST

+OK 266 messages (17685744 octets)