1. Chapter 9 Sending E-mail and Attachments

2. 2Practical PC 5 th Edition Chapter 9 Getting Started In this Chapter, you will learn: − How e-mail works − How to use Web-based and local e-mail − How to reply to and forward messages − About e-mail attachments and the size limits for messages and attachments − About spam − About Hardware: Mobile Internet access devices

3. 3Practical PC 5 th Edition Chapter 9 How does e-mail work? E-mail is a digital document transmitted from one computer to another, usually over the Internet – Computers and software that provide e-mail services form an e-mail system – At the heart of the system is an e-mail server that runs e-mail server software – Store-and-forward technology means that incoming e-mail is stored on an e-mail server until your server requests them

4. 4Practical PC 5 th Edition Chapter 9 How does e-mail work? Two types of e-mail systems are commonly used: – Web-based e-mail means you connect to the Web to read and compose e-mail messages using browser software – Local e-mail software runs on your hard drive and allows you to compose and read your mail while offline. Local e-mail is also called POP mail based on the Post Office Protocol software used on the e-mail server

5. 5Practical PC 5 th Edition Chapter 9 How does e-mail work? Local e-mail Web-based e-mail

6. 6Practical PC 5 th Edition Chapter 9 How do I use Web-based e-mail? To use Web-based e-mail: – Sign up for an account with an e-mail service such as Google, MSN or Yahoo! – Use your browser to connect to your account – You can write, read, reply-to, and delete e-mail messages Benefit of Web-based e-mail: – A big benefit is that your e-mail will be available from any computer with an Internet connection – Remember to log-off so others don’t access your account

7. 7Practical PC 5 th Edition Chapter 9 How do I use Web-based e-mail? Web-based e-mail

8. 8Practical PC 5 th Edition Chapter 9 How do I use local e-mail? To use local e-mail: – You need an e-mail account, e-mail address, and password on a POP server – Local e-mail client software, such as Microsoft Outlook is also needed – To send (Outbox) or receive (Inbox) messages start your e- mail client – The Send/Receive button usually initiates download Since local e-mail is stored on your hard disk, it is your responsibility to back up your mail

9. 9Practical PC 5 th Edition Chapter 9 How do I use local e-mail? Local e-mail

10. 10Practical PC 5 th Edition Chapter 9 How do I reply to and forward messages? Messages on the same topic are referred to as a thread To reply to a message, click the Reply button – Message is opened and addressed – Typically, you include the text of previous message To forward a message, click the Forward button – You fill in e-mail address and subject line – Most software allows you to edit and comment on the content of the forwarded message

11. 11Practical PC 5 th Edition Chapter 9 What’s an e-mail attachment? An e-mail attachment is a file that travels along with an e-mail message More on e-mail attachments: – E-mail software indicates an attachment with an icon such as a paperclip – Recipient must have software that works with the attachment to open it – Some attachments can harbor viruses so be careful, especially with.exe attachments

12. 12Practical PC 5 th Edition Chapter 9 What’s an e-mail attachment? Sending an e-mail with an attachment

13. 13Practical PC 5 th Edition Chapter 9 Is there a size limit for e-mail messages and attachments? Typically the size limit of messages and attachments are between 2 MB and 10 MB Shrinking the file size of attachments: – For large files, compression software can ‘zip’ the file into a compressed version – Most video and sound formats shrink to about half their size – Text and some graphics shrink substantially – JPEG and GIF files are already compressed

14. 14Practical PC 5 th Edition Chapter 9 What is spam? Spam is unwanted electronic junk mail Phishing is an e-mail based scam that’s designed to persuade you to reveal confidential information A spam filter is a utility software that captures unsolicited e-mail before it reaches your Inbox Never reply to spam or click on the links in the spam e-mails

15. 15Practical PC 5 th Edition Chapter 9 Hardware: Mobile Internet access devices Mobile Internet access offers continuous Internet connection wherever you go – Mobile phone that can connect to the Internet is sometimes called a smartphone – A PDA (personal digital assistant) is a handheld device that features a touch screen, a personal organizer, a memory slot, and the ability to synchronize data with a PC – A broadband PC card is a digital circuit board that plugs into your notebook computer

16. 16Practical PC 5 th Edition Chapter 9 Hardware: Mobile Internet access devices Examples of mobile devices

17. 17Practical PC 5 th Edition Chapter 9 Hardware: Mobile Internet access devices Mobile E-mail – Many mobile e-mail systems feature push e- mail where e-mail is delivered to your mobile device with a sound alert – A microbrowser is specially designed to display Web pages on a small screen WAP microbrowsers provide access to Web sites designed especially for small screens HTML microbrowsers provide access to the regular full size Web sites

18. 18Practical PC 5 th Edition Chapter 9 Just how private is e-mail? What do you think? – Do you think most people believe that their e-mail is private? – Do you agree with CalTech’s decision to expel the student who was accused of sending harassing e- mail to another student? – Do you think that e-mail should have the same privacy protections as telephone conversations and mail under U.S. laws?

19. 19Practical PC 5 th Edition Chapter 9 Chapter Summary You should now know: − How e-mail works − How to use Web-based and local e-mail − How to reply to and forward messages − About e-mail attachments and size limits for messages and attachments − About spam − About Mobile Internet access devices