Mark Delany
Mark Delany is an Australian computer programmer and consultant specializing in e-mail infrastructure and anti-spam techniques.
He is the chief architect and inventor of DomainKeys,[1][2] an e-mail authentication system designed to verify the DNS domain of an e-mail sender and the message integrity. Mark is one of the authors of DomainKeys Identified Mail,[3] a development of DomainKeys.
He was also lead architect for Yahoo! Mail.[4][5]