This is the Postfix program at host mail3.tencent.com.

This is the Postfix program at host mail3.tencent.com.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

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 message returned below.

The Postfix program

<service@m4.tencent.com>: connect to m4.tencent.com[172.30.16.34]: Connection
timed out

This is the Postfix program at host mail3.tencent.com.
这是邮件系统主机地址（mail3.tencent.com.）。

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
很抱歉的通知您，您的消息无法发送到1个或更多的收件人。附件如下。

For further assistance, please send mail to
需要更多协助，请致信<postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.
如果你想这样做，请附带这个故障报告。在退回的信件中您可以删去您自己的原文。

The Postfix program
邮件系统

<service@m4.tencent.com>: connect to m4.tencent.com[172.30.16.34]: Connection timed out意思是说你的收件人地址不存在。

这是postfixmail3.tencent.com所在班. 对不起,要告诉你,回来的讯息 不能低于运到一个或多个目的地. 为进一步协助,请发送邮件给<postmaster> 如果你这样做,请将此问题报告. 你 全文删除自己的信息返回如下: <纲要Postfix <service@m4.tencent.com>:连接m4.tencent.com[172.30.16.34]:联系 出时间