电子邮件客户端软件的设计与实现

he name of the system software is E-mail client software. In the base the basic Protocol of SMTP and POP3 protocol, I develop the software to achieve t function of sending and receiving e-mail. This system software is composed of the sending mail, the receiving mail, the account management and the address book. The main function of sending mail module is analyzing the SMTP Protocol and sending mail content and attachments. The Class of MailSend is the core of sending mail module. Receiving mail module mainly achieves the function of receiving mail content and downloading attachments. The core of receiving mail module is the Class of MailReceive which is sealed by mature .DLL document. The account management module has achieved the function of adding, revising and deleting account. The address book module can remember the information of our contact which is convenient for our future connection. After the test, this system software can accurately achieve e-mail transmission and the system is simple for our use.