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郵件服務(wù)器設計與實(shí)現
畢業(yè)論文
摘 要
電子郵件是介于書(shū)信、電話(huà)和傳真之間的電子信息傳送方式，它也是互聯(lián)網(wǎng)上最基本的功能之1。隨著(zhù)互聯(lián)網(wǎng)的進(jìn)1步發(fā)展，電子郵件已經(jīng)成為人們聯(lián)系溝通的重要手段。技術(shù)的革新使得電子郵件系統已經(jīng)演變成1個(gè)相當復雜且功能更為豐富的系統，可以傳送聲音、圖片、圖象、文檔等多媒體信息，以至于數據庫或帳目報告等更加專(zhuān)業(yè)化的文件都可以以電子郵件的形式在網(wǎng)上分發(fā)。隨著(zhù)信息技術(shù)的發(fā)展以及電子郵件系統功能的日益強大，其應用領(lǐng)域已得到較大的拓展�；赪eb的電子郵件系統應用是這些年發(fā)展起來(lái)的，網(wǎng)絡(luò )的普及使得它得以廣泛的應用。采用開(kāi)放的Web郵件服務(wù)不僅為用戶(hù)省去了維護與升級客戶(hù)端軟件的麻煩，而且也能夠充分發(fā)揮系統軟硬件資源的作用。Web郵件服務(wù)的另1個(gè)優(yōu)勢是允許用戶(hù)甚至是持有移動(dòng)設備的用戶(hù)，可以隨時(shí)、隨地的訪(fǎng)問(wèn)系統并進(jìn)行信息傳遞。
郵件服務(wù)器主要實(shí)現郵件的發(fā)送和接收以及對郵件和用戶(hù)的管理。該系統的功能分為3個(gè)模塊：（1）通信模塊，用來(lái)實(shí)現郵件在網(wǎng)絡(luò )中的發(fā)送和接收；（2）用戶(hù)模塊，用于后臺管理郵件服務(wù)器中的郵件和郵箱，可以刪除、添加郵件和刪除、添加郵箱；（3）系統模塊，用來(lái)記錄郵件服務(wù)器運行時(shí)的狀態(tài)。
關(guān)鍵詞：電子郵件；B/S；C#.NET；郵件服務(wù)器
Abstract
E-mail is a transfer way of electronic information among letter, telephone and fax. It is also one of the most basic functions on Internet. With the further development of Internet, the e-mail has become the important means of people’s connection and communication. The evolution of e-mail system has become 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. This paper is subject to how to build up email system on base browser to servers of application pattern, and study the relevant technology. The application pattern on the Web has developed these years. Popularization of Internet makes it apply broadly. Adopting open Web mail service, user not only have saved trouble of installing software, but also can fully give play to the role of resource of the software and hardware of system. Another advantage of Web mail service is to allow users, even hold users of mobile devices, can visit system and transfer information everywhere any time.
The main functions of the Mail Server are the realization of mail sending and receiving and the management of mail and users. The functions of the system can be divided into 3 modules: (1) The connection module, which is used to realize the sending and receiving of mail in network. (2) The user module, which can be used to delete, add mail or mailbox, then realize the management of mail and mailbox in the backstage of mail server. (3) The system module, which is used to record the condition of the mail server when it is running.
Keywords: electronic-mail; B/S; C#.NET; Mail Server
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