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了解邮件失败通知，554

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了解邮件失败通知，554

我想确认一下邮件失败通知的含义。以下是消息

Hi. This is the qmail-send program at mydomain.com
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<[email protected]>:
1.2.3.4 does not like recipient.
Remote host said: 554 <[email protected]>: Relay access denied
Giving up on 1.2.3.4

我的理解是，1.2.3.4 没有设置为接收该域的邮件。

dig domain.com MX 显示

;; ANSWER SECTION:
domain.com.     6245    IN  MX  10 mail.domain.com.
domain.com.     6245    IN  MX  20 mx.anotherdomain.com.

（1.2.3.4 是 mx.anotherdomain.com。）

令人困惑的是，我收到报告称从 Gmail 发送的消息被递送到该地址。

PS：这对于 serverfault 来说是一个合适的问题吗？

答案1

这意味着要传递邮件 1.2.3.4 就必须将其传递给另一个邮件服务器（因为 1.2.3.4 不是最终目的地）并且它不想这样做。

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