CPT 499 Internet Skills for Educators Electronic Mail Session Five

Objectives General commands available in almost all systems Describe parts of the Internet address Discuss what is an address book and what it does

Electronic Mail is a means of sending written communication via computer business is using more and FAX transmissions in today’s world

Electronic Mail In order to access a user must have a mail server and/or mail software Each user has a username and a password

Electronic Mail All mail programs allow a user to: Compose messages Send messages Forward messages Reply to messages

Electronic Mail Parts of the Message Header To Cc: Subject Message Area Signature

Electronic Mail Receiving and Storing Mail Inbox - for unread and mail to be stored Sent - - for messages to be sent Folders - to organize mail

Electronic Mail Internet Address Internet Address must contain symbol

Electronic Mail Protocols POP Client -- Post Office Protocol Mail is read composed and stored locally Can work off-line SMTP -- Simple Mail Transfer Protocol The protocol required to send mail messages through the Internet

Electronic Mail Protocols IMAP - Internet Mail Access Protocol The software lets users select the messages to download users can opt to download only the messages they want to read; that capability does not work with POP servers Most mail clients based on Post Office Protocol cannot display a list of incoming messages

Electronic Mail Address Book Retains address of contacts An alias in the address book contains the full internet address The mail program looks up the alias in the address book and inserts the complete address for you

Electronic Mail Distribution List Set of Internet addresses stored under a single name A list is created by including the addresses of everyone you want on the list To send a message you simply enter the name of the list and the mail program locates the list; retrieves the addresses of the recipients of the list.

Electronic Mail Mailing Lists Internet discussion group List is managed by a listserv, listproc, or majordomo Many lists have moderators to monitor discussion Operates much like a magazine subscription You receive

Electronic Mail Business utilizes on the Internet is by far the largest application of Internet Technology is usually the first Internet application to be embraced

Electronic Mail In 1995 the estimate for the number of messages sent outpaced the number of pieces of mail handled by the U.S. Postal Service by 1.1 trillion to 180 billion has allowed businesses to serve customers better

Electronic Mail Using has allowed businesses to save money by reducing their long distance phone bill

Electronic Mail Electronic mail or is electronic correspondence conducted between one or more users on a network Correspondence consists of messages (letters, memos, or pieces of information)

Electronic Mail Currently can consist of text or of multimedia items such as graphics or sound clips An message is usually composed and edited using an client software client software is a computer program used to create, send, receive, save, and delete

Electronic Mail

In the header area of the the sender identifies the intended recipient and the message’s destination by specifying the recipient’s Internet address The message is first routed to a mail server A mail server is a system that uses the address to determine where the message is going

Electronic Mail The mail server also determines the most direct route for delivering the message The mail server uses SMTP to send the message to the next available mail server or router SMTP is part of the TCP/IP protocol

Electronic Mail The next mail server reads the address information and passes the packet of information to another mail server Each mail server contains a routing table, known as Mail Exchange (MX), that determines where to send the message next

Electronic Mail This process continues until the message reaches its destination POP or IMAP is the system used to retrieve stored on a TCP/IP network After arrival at its destination, is delivered to the recipient’s computer mailbox by mail server software

Electronic Mail

Mail server software is a computer program that controls the flow of e- mail between the mail server and the recipient’s computer The mail server stores messages in a virtual mailbox, or folder on the server, until the user is ready to retrieve the messages

Electronic Mail When the user is ready to read the messages in the virtual mailbox, the server sends them to the recipient’s computer The ability of holding in a mailbox until the recipient retrieves it is known as store-and-forward messaging

Electronic Mail