python登录pop3邮件服务器接收邮件的方法

import poplib, string
PopServerName = "mail.yourserver.com"
PopServer = poplib.POP3(PopServerName)
print PopServer.getwelcome()
PopServer.user('yourName')
PopServer.pass_('yourPass')
r, items, octets = PopServer.list()
msgid, size = string.split(items[-1])
r, msg, octets = PopServer.retr(msgid)
msg = string.join(msg, "\n")
print msg