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Electronic mail (e-mail) allows messages to be transmitted from computer to computer, via the Internet.
Short for electronic mail, the transmission of messages over communications networks. The messages can be notes entered from the keyboard or electronic files stored on disk. Most mainframes, minicomputers, and computer networks have an e-mail system. Some electronic-mail systems are confined to a single computer system or network, but others have gateways to other computer systems, enabling users to send electronic mail anywhere in the world. Companies that are fully computerized make extensive use of e-mail because it is fast, flexible, and reliable.
POP:
Post Office Protocol - or - Point of Presence: Post Office Protocol is a method of retrieving email from a server. Point of Presence is a telephone number that provides dial-up Internet access. ISPs usually provide several POPs so users can gain Internet access with local phone calls.
