基于web的邮件收发系统的开发毕业论文.rar

毕业论文，计算机专业

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摘  要
     
　　　随着计算机网络的发展，电子邮件以其快速、便利、成本低等优势已成为人们生活中不可或缺的一部分，使人与人之间信息传输的时间大为缩短。电子邮件（E-mail）就是通过Internet或者Intranet网络从某一终端机输入并通过邮件服务器传送到另一终端的信件、便条、文件、图片或声音等信息。作为网络中最早发展起来的部分，电子邮件的功能也最为强大，已成为目前网络上用户最广泛、使用频率最高的一种应用，甚至是人们上网的第一需求。
　　　本文先对与邮件发送和接收程序开发密切相关的协议如SMTP、POP3协议作了个系统而全面的阐述，然后利用Java Mail API实现邮件的收发。

关键词：电子邮件；JavaMail；JSP；邮件协议

　　                               ABSTRACT
　　　
　　　Along with the development of the calculator network, E-mail with its fleetness, convenient, the low etc. in cost advantage has become people life theinside is necessary a part, make interpersonal time that information deliver big for shorten.E-mail is to passes the Internet or the networkof Intranet from some a the computer terminal input and pass the mail server deliver another terminal letter, memo, document, picture or voice etc. the characteristics suffered the netizen biggest favor.Part that conduct and actions network inside developped at the earliest stage, the function of the E-mail is the most strong and big too, have become current network top the customer is the most extensive, usage the frequency is tallest a kind of application, even is people internet access the first need.
　　　This text first to send out with mail with receive the procedure develop the closely-related agreement,such as SMTP, POP3, the agreement made a system but expatiate completely,thenUse of Java Mail API to achieve the message transceiver.

Keyword:  E-mail；JavaMail；JSP；SMTP；POP3

目  录
摘要............................................................................................................................I
ABSTRACT...............................................................................................................I
1 绪论 1
1.1 研究背景 1
1.2 国内外研究现状 1
1.2.1 国内研究现状.................................................................................................1
1.2.2 国外研究现状.................................................................................................2
1.2.3 国外最新动态.................................................................................................2
1.3 研究内容 3
2 电子邮件系统及其相关协议 4
2.1电子邮件系统简介 4
2.1.1 邮件分发代理（MDA）.................................................................................................4
2.1.2 邮件传输代理（MTA）.................................................................................................5
2.1.3 邮件用户代理（MUA）..................................................................................................5
2.2 E-mail协议概述 6
2.2.1 SMTP协议.......................................................................................................6
2.2.2 POP协议........................,.................................................................................6
2.2.3 IMAP协议.......................................................................................................7
2.2.4 MIME协议.......................................................................................................8
2.3 电子邮件服务器 8
3 JavaMail技术 10
3.1 JavaMail API分层体系结构 10
3.2 JavaMail API中的关键类 10
3.3 基于JavaMail API收发邮件的过程 11
4 系统的设计与实现 13
4.1 Web邮件系统整体框架 13
4.2 JavaMail API的安装.........................................................................................13
4.3 系统功能的实现 15
4.3.1 登陆邮件服务器的验证 16
4.3.2 利用IMAP协议接收电子邮件 16
4.3.3 查看电子邮件 18
4.3.4 利用SMTP协议发送电子邮件 19
4.4 系统的发布与运行..........................................................................................21
总结 22
致谢.........................................................................................................................23
参考文献.................................................................................................................24