基于Linux系统配置高效的Qmail邮件服务器

华中科技大学文华学院毕业设计(论文)1毕业设计[论文]题目：基于Linux系统配置高效的Qmail邮件服务器华中科技大学文华学院毕业设计(论文)1目录摘要..........................................................3Abstract.......................................................4前言..........................................................51.关于邮件系统相关协议...........................................61.1SMTP协议..............................................61.2POP3协议..............................................61.3IMAP4协议.............................................61.4HTTP协议和HTML语言..................................61.5MIME协议..............................................61.6LDAP协议..............................................62.qmail的工作原理和配置文件的设置...............................72.1qmail和相关的服务.......................................72.2email投递邮件进程流程...................................72.3qmail环境变量...........................................82.4qmail控制文件...........................................82.5改变MUA程序接口........................................102.6建立qmailsmtp功能......................................103.Qmail的安装和配置............................................123.1Qmail的前期准备........................................123.1.1系统安装..............................................123.1.2设置DNS..............................................123.1.3卸载已有的邮件系统...................................123.1.4软件包介绍...........................................123.1.5实现的功能...........................................133.2软件包的安装...........................................133.2.1设置Mysql............................................133.2.2apache的安装.........................................133.2.3php的安装............................................133.2.4daemontools的安装....................................143.2.5ucspi-tcp的安装......................................143.2.6qmail的安装..........................................143.2.7vpopmail的安装.......................................17华中科技大学文华学院毕业设计(论文)23.2.8iGenus安装...........................................193.2.9iGenus_Admin的安装...................................203.2.10SqwebMail的安装.....................................213.2.11Autorespond&Ezmlm的安装.............................223.2.12qmailadmin的安装....................................223.2.13Clamav的安装........................................233.2.14测试................................................254.ucspi-tcp的原理和设置........................................265.vpopmail和qmailadmin对用户的管理............................295.1vpopmail功能简介.......................................295.2vpopmail的安装设置.....................................295.3vpopmail使用...........................................315.4qmailadmin的介绍.......................................325.5qmailadmin的使用.......................................325.5.1登陆.................................................325.5.2邮件账号管理.........................................325.5.3别名设立界面.........................................325.5.4转发管理界面.........................................335.5.5自动回复管理界面......................................336.具体的功能与实现..............................................346.1添加域..................................................346.2管理者界面.............................................356.3管理者对邮件账号管理....................................366.4创建邮件帐号............................................376.5对[e-mail]的用户进行修改.......................376.6普通用户通过sqwebmail进入用户界面.....................366.7总结....................................................38结束语...........................................................39参考文献.........................................................40致谢............................................................41华中科技大学文华学院毕业设计(论文)3基于Linux系统配置高效的Qmail邮件服务器摘要在深入探索qmail的配置和调节之前，了解一些qmail的基础架构是重要的。Qmail经常被仅仅归类为一个邮件服务器软件包。这可能只在某一点上是正确的，将qmail考虑为一个邮件分发体系会更加准确，这个体系结构的构建者为这个体系的所有组件深入的提供了一些基础接口。Qmail是非常模块化的——它包含了一系列通过特定且受限的接口来互相沟通的简单程序。每个简单的程序都有一个特定且受限的任务需要完成。这个体系结构允许每个组件都被容易的替代或让新的程序插入到基础组件之中。本文将是用GNU下的一个著名的自由软件Qmail在Linux平台上配置一套功能完整、高效的邮件系统并通过Web页面轻松完成用户管理和邮件系统的配置工作。这里将以qmail作为smtp服务器，vpopmail实现实现虚拟域管理、用mysql数据库来进行用户验证，用qmailadmin通过Web来实现管理虚拟域，用ezmlm来提供强大的邮件列表支持，用igenus来提供一个友善的webmail界面，Clanav则为此邮件系统提供杀毒模块。关键词：Qmail；mysql；ezmlm；igenus；apache.华中科技大学文华学院毕业设计(论文)4Themailserver'sbasedontheLinuxsystemconfigurationandefficientAbstractBeforedelvingtoodeeplyintofurtherconfigurationandtailoringofqmail,itisimportanttounderstandthebasicstructureofqmail.Qmailisoftenreferredtoasmerelyamailserversoftwarepackage.Whilethismaybeaccurateinonesense,itismoreaccuratetothinkofqmailasamaildeliveryarchitecturewhosearchitecthasthoughtfullyprovidedabasicimplementationofallthecomponentsofthatarchitecture.Qmailisverymodular—itconsistsofaseriesofsimpleprogramscommunicatingviaspecificandlimitedinterfaces.Eachsimpleprogramhasaspecificandlimitedtasktoperform.Thisarchitectureallowseachcomponentprogramtobeeasilyreplacedornewprogramstobeinsertedbetweenthebasiccomponents.ThepurposeofthistextisusethefreesoftwareonaUNIXplatforminstallacompletemailsystemandhowmanageit.Weusesqmaiassmtpserver,usesvpopmailaspop3serverandrealizesConjecture,uses