📌 📄 内容摘要:
Duckduckgo 在 cf 邮箱转发报错有佬友懂吗？ 中发帖
具体内容如下：
Rejected reason:
upstream (xxx.olc.protection.outlook.com.) error: failed to initalize: Unknown error: permanent error (550): 5.7.1 Unfortunately, messages from [104.30.10.xxx] weren’t sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to Troubleshooting. [Name=Protocol Filter Agent][AGT=PFA][MxId...
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🔗 论坛链接: linux.do
📎 访问地址: https://linux.do/t/topic/223446/1
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📢 来源：LINUX DO
