Abstract Internet is a network with largest scale ,most users and greatest influence in the world.It is rich in information resources and makes information shareing and exchange available without space and time limit.Characterized by fast,simple,efficient and cheap communication,E-mail is a strong tool to navigate Internet.Through mail servers it can inquire information and transfer files needed,playing the same role as other service tools in Internet and making people get access to the informative environment provided by In ternet.
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