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DomainKeys is an e-mail authentication system designed to verify the DNS domain of an e-mail sender and the message integrity. The DomainKeys specification has adopted aspects of Identified Internet Mail to create an enhanced protocol called DomainKeys Identified Mail (DKIM). This merged specification became the basis for an IETF Working Group which guided the specification toward becoming an IETF standard.
Both DomainKeys and DKIM were published in May 2007: DomainKeys was issued as a "historical" protocol and DKIM was issued as its standards-track replacement.
See DKIM for details of the general method of operation used; DomainKeys is very similar in most respects to DKIM's operation.
See also
- Sender ID
- DomainKeys Identified Mail (DKIM)
- Author Domain Signing Practises
- Sender Policy Framework (SPF)
- E-mail authentication
External links
- RFC 4870 Domain-Based Email Authentication Using Public Keys Advertised in the DNS (DomainKeys)
- RFC 4871 DomainKeys Identified Mail (DKIM) Signatures
- DKIM.org DKIM resources website: implementations, FAQ, news
- IETF DKIM working group (started 2006)
- Yahoo!'s description of DomainKeys
- Yahoo!'s statement about IPR claimed in DKIM draft
- Yahoo!'s free software reference implementation of DomainKeys
- U.S. Patent 6,986,049
- SpamCop FAQ entry about bogus bounces also discusses DomainKeys
