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20th Feb 2024
可以在域名上发布多条 DKIM 记录吗?

您可以在一个域名上发布多条 DKIM 记录吗?答案是肯定的:在 DNS 服务商允许的范围内,您可以在域名上发布任意多的 DKIM 记录。

DKIM 是什么?

DKIM 是 DomainKeys Identified Mail 的缩写。它是一种邮件验证机制,用来监测邮件的头域和内容是否被篡改过。

DKIM 基于非对称加密,它使用密钥对来工作:私钥仅对邮件发送服务器可见,而公钥发布在 DNS 中,对所有邮件接收服务器可见。

在邮件离开发送服务器之前,服务器使用私钥对其签名;在邮件到达接收服务器的时候,服务器使用发布在 DNS 中的公钥对邮件进行验证。

DKIM 记录是什么?…
DKIM Multiple DKIM Records

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