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Emails not sent, getting the error “550 5.7.1 Message rejected due to content restrictions”

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归档帖子，发布于 2013年9月23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23日
We just moved our domain emails to outlook.com, and when sending to some domains we got the following error:
"Reporting-MTA: dns;blu0-omc4-s20.blu0.hotmail.com
Received-From-MTA: dns;BLU0-SMTP437
Arrival-Date: Mon, 23 Sep 2013 04:22:17 -0700
Action: failed
Status: 5.7.1
Diagnostic-Code: smtp;550 5.7.1 Message rejected due to content restrictions". 

We have even tried to send an empty email and still getting the same error. We have checked our MX Records IPs (65.54.188.78 & 65.54.188.109) in the Blacklists filters and found them blacklisted in the following filters:

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