Author Domain Signing Practices

In computing, Author Domain Signing Practices (ADSP) is an optional extension to the DKIM E-mail authentication scheme, whereby a domain can publish the signing practices it adopts when relaying mail on behalf of associated authors. ADSP was adopted as a standards track RFC 5617 in August 2009, but declared "Historic" in November 2013 after "...almost no deployment and use in the 4 years since..." == Concepts == === Author address === The author address is the one specified in the From header field defined in RFC 5322.

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