What is DomainKeys Identified Mail? - Security Term

DomainKeys Identified Mail is a an email authentication method designed to control spam and phishing. Developed by Yahoo, DKIM is now endorsed by major Internet and email related organizations such as the PGP Corporation, Cisco Systems, and the developers of Sendmail. While other competing email authentication methods have been proposed, such as SenderID and Sender Policy Framework, only DomainKeys Identified Mail is being evaluated as a possible Internet Engineering Task Force standard. Currently, several large email service providers such as Yahoo, Gmail, and AOL utilize DKIM technology in emails sent from their systems.