Chapter 4; Day 3 Basic Communication on the Internet: E-Mail E-Mail
Objectives • e-mail and how it works • A form of communication in which electronic messages are created and transferred between computers • about 31 billion e-mails daily – (IDC) • expected to rise to more than 60 billion (2006) • A popular form of business communication • Fast and inexpensive • It can be sent and received at anytime.
How Does It Work? • Mail Server • determines from recipient’s address the route • Mail Client Software or E-Mail Program • requests mail delivery from the mail server to your PC. • Protocols • SMTP (Simple Mail Transfer Protocol) • which paths an e-mail message takes on the Internet. • POP (Post Office Protocol) • incoming messages • IMAP (Internet Message Access Protocol) • protocol for retrieving mail • MIME (Multipurpose Internet Mail Extensions) • how to encode non-text data (ie: graphics).
E-Mail Addresses • uniquely identifies an individual or organization connected to the Internet. • Two parts of email address: • Unique User name • Separated by an “at” sign(@) • Host name (computer to delivered to) • About the @...
Common of Message Features • Message Header • Message Body • Signature • To line • courtesy copy (Cc) / blind courtesy copy (Bcc) • From line • mailing list • Subject line • attachment • viruses
Internet Etiquette (Netiquette) Netiquette set of commonly accepted rules • Avoid writing messages in ALL CAPITAL • Keep messages simple, short, and focused • Include a descriptive Subject line and a signature • Avoid sending unsolicited messages • Use a spell checker and proofread your messages • Use common courtesy, politeness, and respect
Challenges • Common E-Mail Problems and Issues • Spam • spam filters • anti-spam measures • Microsoft filters 85 to 90 percent of spam (from 10 million e-mails/day) • many corporations use spam filters at the server level • Phishing • e-mail scam: a fraudulent e-mail that appears to be from a legitimate user • Goal of the sender is for you to disclose personal information • Changing E-mail Addresses
Web-Based E-Mail Services • Many Internet Web sites provide free e-mail • Yahoo! Mail, ExciteMail, and Hotmail. • Why do companies provide free e-mail? • Drawbacks of web based e-mail?
Common Features of an E-Mail Program • Sending, Receiving and Storing Messages • Printing and Filing a Message • Forwarding or Replying to Messages • Messages can be queued, printed, filtered • When you receive e-mail, it is stored on the mail server until you use your e-mail program to retrieve
Configuring E-Mail client • Outlook Express needs to be configured to retrieve e-mail from an ISP
Other topics for email: • Inbox, addressbook • Nickname, mailing list, contacts • Web-based e-mail service • Netscape Mail , Hotmail … • Hotmail powered by MSN.com
Creating a Hotmail User Account • hotmail homepage • Today, Mail,Calendar, Contacts • Options and Help
Summary • e-mail messages • Protocols