Email authentication

（重定向自Authenticated Email）

A schematic representation of the most common ways that an email message can get transferred from its author to its recipient.

SPF authenticates the sender IP address.

DKIM authenticates parts of the message content.

Email authentication is a collection of techniques aimed at equipping messages of the email transport system with verifiable information. It is a coarse-grained authentication, usually at Administrative Management Domain (ADMD) level, and implies no sort of authorization. That is, the purpose of email authentication is to validate the identities of the ADMDs who participated in transferring and possibly modifying a message. The results of such validation can then be used in email filtering, and can clue recipients in about what kind of reaction or reply a message deserves.

单词	Authenticated Email
释义	Authenticated Email 英语百科 Email authentication （重定向自Authenticated Email） Email authentication is a collection of techniques aimed at equipping messages of the email transport system with verifiable information. It is a coarse-grained authentication, usually at Administrative Management Domain (ADMD) level, and implies no sort of authorization. That is, the purpose of email authentication is to validate the identities of the ADMDs who participated in transferring and possibly modifying a message. The results of such validation can then be used in email filtering, and can clue recipients in about what kind of reaction or reply a message deserves.
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