IT职业英语 高巍巍 Unit5 Communicate Online 5 1 reading新.pptVIP

IT职业英语 Unit5 Communicate Online Section 1 Reading E-Mail Contents Vocabulary Electronic mail Electronic mail (abbreviated e-mail or, often, email) is a store and forward method of composing, sending, storing, and receiving messages over electronic communication systems. E-mail messages text files --encoded in ASCII text non-text files --graphic images --sound files in binary streams Electronic mail SMTP---Simple Mail Transfer Protocol applies: to the Internet e-mail system based on the SMTP. to intranet systems allowing users within one organization to e-mail each other. Spam E-mail is often used to deliver bulk unwanted messages, or spam, but filter programs exist which can automatically delete most of these. Why Use E-mail? E-mail reflector E-mail can be distributed to lists of people as well as to individuals. A shared distribution list can be managed by using an e-mail reflector. Some mailing lists allow you to subscribe by sending a request to the mailing list administrator. A mailing list that is administered automatically is called a list server. Protocols E-mail is one of the protocols included with the Transport Control Protocol/Internet Protocol (TCP/IP) suite of protocols. A popular protocol for sending e-mail is Simple Mail Transfer Protocol and a popular protocol for receiving it is POP3. Both Netscape and Microsoft include an e-mail utility with their Web browsers. E-mail address This address must have letters and dots and an “@” (meaning “at”) looks like: email @ star.net Write a message, type in the person’s e-mail address, then send?the message? across the Internet. Exercise 1 True or false 1. ( ) E-mail is the exchange of computer-stored messages by telecommunication. 2. ( ) E-mail messages are usually encoded in ASCII text. However, you can’t also send non-text files. 3. ( ) A popular protocol for sending e-mail is Simple Mail Transfer Protocol. 4. ( ) Simple Many Transfer Protocol (SMTP). 5. ( ) An e-mail address m