The Technology Based on DKIM to Prevent Spam Mails
基于域密匙认证的反垃圾邮件技术

The overflow of spam mails has been severely influenced normal application of Email systems. The DKIM technology brought up by Yahoo and Cisco has been delivered to IETF and it is expected to be the industry standard properly dealing with the problems of spare emails, This article analyzes frequently used techniques and working principles of DKIM and presents examples that are applied in Sendmail service system.