DomainKeys Identified Mail (DKIM) Signatures

This specification has been revised 3 times since RFC 4870 (2007). Each document below formally obsoleted the one before it; the versions still in force are listed first.

Revision timeline

Current version — implement against this

RFC 6376DomainKeys Identified Mail (DKIM) SignaturesUpdated
September 2011internet standard

Superseded versions — historical reference only

RFC 4870Domain-Based Email Authentication Using Public Keys Advertised in the DNS (DomainKeys)Obsoleted
May 2007historicreplaced by RFC4871
RFC 4871DomainKeys Identified Mail (DKIM) SignaturesObsoleted
May 2007proposed standardreplaced by RFC6376
RFC 5672RFC 4871 DomainKeys Identified Mail (DKIM) Signatures -- UpdateObsoleted
August 2009proposed standardreplaced by RFC6376

This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 6376 (September 2011).