Analyzing and Extending SMTP to Prevent Spam
Yueyang Huang · Journal of Liaoning University of Petroleum & Chemical Technology · 2008
In response to the spam problem,the present mail transfer protocol-SMTP was analyzed.As the commands are transmitted by plaintext in the SMTP,it is easy to bring forth some hidden trouble of safety.So the SMTP was extended in its type of data and credibility.Based on the result,a new model was set up and its realization was tested.The result of test shows that the case is effective.