信被退回来了，这是什么意思呀？

bbst191

Gmail的退信。<br>
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This is an automatically generated Delivery Status Notification<br>
<br>
Delivery to the following recipient failed permanently:<br>
<br>job@weidc.com<br>
<br>
Technical details of permanent failure:<br>
PERM_FAILURE: SMTP Error (state 9): 511 sorry, no mailbox here by that name (#5.1.1 - chkuser)<br>
<br>
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263的退信<br>
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The Postfix program<br>
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<job@weidc.com>: host mbox.weidc.com[203.194.209.183] said: 511 sorry, no<br>mailbox here by that name (#5.1.1 - chkuser)<br>
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==========================<br>
163的退信<br>
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This message is generated by COREMAIL email system.<br>
I'm sorry to have to inform you that the message returned<br>
<br>
<br>
你发送到job@weidc.com的邮件由于以下原因被退回 : job@weidc.com SMTP error, RCPT TO: 511 sorry, no mailbox here by that name (#5.1.1 - chkuser)<br>
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bbst191

???????????????

jaffas1101

你发邮件的目的地址错误，也就是你的收件人不错在！

atong999888

job@weidc.com地址不存在.<br>
<br>