Yahoo邮件发送

关于Yahoo发邮件失败,Error: "421 4.7.0 [XXX] Messages from x.x.x.x temporarily deferred due to user complaints - 4.16.55.1" when sending email to Yahoo

Yahoo返回的消息如下: 4.7.0 [TSS04] Messages from 104.130.96.10 temporarily deferred due to user complaints - 4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3434.html
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