电子邮件客户端软件目录第1章引言.............................................................11.1电子邮件介绍............................................................................................................................................11.2开发背景....................................................................................................................................................21.3开发环境及运行环境................................................................................................................................31.3.1开发环境............................................................................................................................................31.3.2运行环境............................................................................................................................................3第2章软件架构及系统用例图..............................................42.1系统架构：................................................................................................................................................42.2系统总体用例：........................................................................................................................................42.3程序功能框架图：....................................................................................................................................52.4发送邮件类................................................................................................................................................62.5附加小功能类............................................................................................................................................6第3章SMTP协议的研究....................................................83.1.1介绍SMTP协议..................................................................................................................................83.1.2SMTP模型...........................................................................................................................................83.2.1SMTP协议的命令.............................................................................................................................103.2.2SMTP的应答.....................................................................................................................................18第4章RFC822...........................................................214.1RFC822简单介绍.....................................................................................................................................214.2信件的头部..............................................................................................................................................22第5章命名控件MAILSEND.................................................295.1发送邮件的类SMTPMAIL............................................................................................................................295.2ADDEXTRA类................................................................................................................................................40第6章软件运行时的界面.................................................426.1新建账号.......................................................................................................
