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Hotmail

the following message to *** Email address is removed for privacy *** was undeliverable

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归档帖子，发布于 2013年9月30日。 产品：Hotmail（已停止开发）。 其中的信息可能已经过时。

本帖暂无中文翻译，以下为英文原文。

问题 提问于 2013年9月30日

please help when we try and reply to an email that we've always been able to send to we get the following error:

The reason for the problem:

5.1.0 - Unknown address error 550-"OU-002 (COL0-MC1-F21) Unfortunately, messages from IP ADRESS weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors."

  how will we get our address off the blocked list.

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