这个意思就是信件因为服务器问题而被延后发送
The message from Mail Delivery Subsystem may contain an error code. This code can be accompanied by a message. Codes in the 400s usually indicate a temporary issue, and those in the 500s mean that something will need to be done/changed in order for the sender to receive your email. For...
Mail Delivery Subsystem 发送至 我 Delivery to the following recipient failed permanently: isoffiswimmer@yahoo.co.jp Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further ...
Mail delivery subsystem returned mail Communications from ebay and occasionally other entities are blocked with this message: The following addresses had permanent fatal errors --- <d***@mac.com> (reason: 554 5.7.1 Your message was rejected due to ebay.com's DMARC policy. See https://url...
这个信息是谷歌邮箱的返回信息，表示你的邮件虽然发出去了，但由于对方的mailbox is unavailable，所以谷歌返回给你一个提示信号，表面你的邮件没有被成功收到，是对方出了问题，与你应该没有什么关系。是
Mail Deliv..This is an automatically generated Delivery Status Notification,Delivery to the following recipient
邮件发送辅助系统，邮件发送失败或者别的事情要提醒你的时候，这个系统就会发邮件通知你。
Mail Delivery Subsystem 发送至 我 Delivery to the following recipient failed permanently: isoffiswimmer@yahoo.co.jp Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further ...
网络邮件传递子系统;签名档;封被退回来 网络释义
邮件发送辅助系统，outlook就是的 楼