电子邮件服务器
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摘要
电子邮件是介于书信、电话和传真之间的电子信息传送方式,它也是互联网上最基本的功能之一。随着互联网的进一步发展,电子邮件已经成为人们联系沟通的重要手段。技术的革新使得电子邮件系统已经演变成一个相当复杂且功能更为丰富的系统,可以传送声音、图片、图像、文档等多媒体信息,以至于数据库或账目报告等更加专业化的文件都可以以电子邮件的形式在网上分发。随着信息技术的发展以及电子邮件系统功能的日益强大,其应用领域已得到较大的拓展。
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关键词:电子邮件
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E-mail is electronic information transfer way that is between letter, telephone and fax, and also it is one of the most basic functions on Internet. With the further development of Internet, the e-mail has become the important means that people’s connection communicates. The evolution of e-mail system has became very complicated and abundant by the innovation of technology, can convey multimedia information, such as sound, image, picture, file, etc., More specialized files, such as the data base or the account reports, etc. can all be distributed on the net in the form of E-mail .The e-mail system function is strong day by day with the development of information technology; its application has already got greater expansion. [来源:http://think58.com]
Originally design the main function of realizing the mail system, its technological advantage lies in adopting mode of C/S to develop the mail server and adopt mode of B/S to develop the mail customer end, the mode coexists, supplements each other. Send the course to adopt the technology of the pipelining to send in the mail , therefore can accelerate the transmission of the mail , the ones that reduced the network and brought were delayed . think58好,好think58
Key Words:E-mail,B/S,C/S,.NET 本文来自think58 [资料来源:http://THINK58.com]
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目录 think58
1 绪论 1
1.1研究背景 1 think58好,好think58 [资料来源:http://www.THINK58.com]
1.2 C/S模式邮件系统分析 1
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[来源:http://think58.com]1.3 电子邮件系统应用模式的发展 3 本文来自think58 [资料来源:THINK58.com]
2 电子邮件系统分析与研究 5
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2.1 电子邮件技术概述 5 [资料来源:www.THINK58.com]
2.2 电子邮件结构 6 think58好,好think58
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2.3 电子邮件的工作原理 7 本文来自think58 [资料来源:www.THINK58.com]
2.4 SMTP协议的基本结构 8
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2.4.1 SMTP模型 8 think58.com [来源:http://think58.com]
2.4.2 SMTP的基本命令 10 think58
2.5 POP3协议的基本结构 12 copyright think58 [来源:http://think58.com]
2.5.1 POP3协议工作原理 13 [资料来源:http://THINK58.com]
2.5.2 POP3协议命令原始码 14 [资料来源:http://www.THINK58.com]
2.6反垃圾邮件技术 14 [资料来源:www.THINK58.com]
2.7 SMTP服务对命令流水的扩展 16
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3 基于.NET邮件服务器系统设计 21 think58.com
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3.1 设计思路 21
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[资料来源:http://think58.com]3.2 电子邮件系统模型 21 think58 [来源:http://www.think58.com]
3.3 系统结构 21 本文来自think58
3.4 系统类设计 23
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3.5 系统数据库设计 24 内容来自think58
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3.5.1表UserInformation 24
3.5.2表MailInformation 24 本文来自think58 [资料来源:THINK58.com]
3.6系统底层设计 25 [资料来源:THINK58.com]
3.6.2邮件服务器端 26 本文来自think58 [资料来源:http://think58.com]
4系统实现 27
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[资料来源:http://THINK58.com]4.1 开发环境与工具 27 本文来自think58
4.2 系统核心窗体模块介绍 27 think58.com [来源:http://think58.com]
4.3 核心功能技术代码实现 30 think58
结论 33
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致谢 34
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参考文献 35 copyright think58
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