帮忙翻译一下？
This is the Postfix program at host mail.mail80.cn4e.com.
I'm sorry to have to inform you that your message could not be be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can delete your own text from the attached returned message.
The Postfix program
<hanlidm@yahoo.com.cn>: delivery temporarily suspended: host
mta-v1.mail.vip.cnb.yahoo.com[202.43.216.28] refused to talk to me: 451
VS1-IP5 Excessive unknown recipients - possible Open Relayhttp://help.yahoo.com/help/us/mail/spam/spam-18.html(#4.1.8)
218.107.207.80
参考答案:好象是邮件系统给您发的邮件,通知您,您的邮件不能发送了,如需帮助,请给系统中心发邮件询问.