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20th Feb 2024
关于 DMARC 记录的一切

DMARC 记录是每个 DMARC 实现的核心问题,决定了该 DMARC 实现是否最终能够成功。在本文中,我们来深入了解一下 DMARC 记录。

什么是 DMARC 记录?

DMARC 记录是一条发布在域名上面的,在 DNS 中的 TXT 记录,位于 _dmarc.yourdomain.com,在这里 “yourdomain.com” 是实际的域名或者子域名。它告诉接收邮件的服务器当邮件在 DMARC 验证中失败时,应该如何处理,并且应该把邮件验证数据发往哪里。

DMARC 记录由一系列的 DMARC 标签 (tags) 组成。每一个标签是一对由 = 分隔的键/值对。下面的表格显示…

DMARC record DMARC policy

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