Abstract: With the rapid development of Internet, E-mail has become an indispensable means of extensive exchange． Traditional E-mail is to send and receive via E-mail Client, it needs to fill in some parameters, which is a difficult thing for the one not very familiar with computer. The mail system adopts the office automation as the development background． With JavaMail framework, this paper studies how to develop the James mail server for completing office automation.

Key words: mail system, JavaMail, Web application, James