请问什么是"Broken Pipe"?

pisceswzh

以下是我收到的一封退信，大家能帮我看看是什么原因造成的吗？里面提到了一个叫“Broken Pipe”的名词，不知道是什么意思～

我把其中的两个真实的电子邮件地址换成了Sample@MyDomain.com和Sample@MyDomain2.com

谢谢！





    **********************************************

    **      THIS IS A WARNING MESSAGE ONLY      **

    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **

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Content-Type:



The original message was received at Thu, 5 Jul 2007 09:00:20 +0800 (SGT)

from kbsmtao1.starhub.net.sg [203.116.2.164]



   ----- Transcript of session follows -----

451 4.4.1 timeout writing message to mail.advantagewilliams.com.: Broken pipe

<Sample@MyDomain.com>... Deferred

Warning: message still undelivered after 3 hours

Will keep trying until message is 3 days old

           

          ----and----



    **********************************************

    **      THIS IS A WARNING MESSAGE ONLY      **

    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **

    **********************************************

Content-Type:



The original message was received at Thu, 5 Jul 2007 09:00:21 +0800 (SGT)

from kbsmtao1.starhub.net.sg [203.116.2.164]



   ----- Transcript of session follows -----

451 4.4.1 timeout writing message to peiwei.com.cn.: Broken pipe

<Sample@MyDomain2.com>... Deferred

Warning: message still undelivered after 3 hours

Will keep trying until message is 3 days old

砸锅卖铁

可能是网络故障