1. Sending E-mail and Attachments
Chapter 9
Sending and Attachments
Practical PC, 4e
Chapter 9

2. Sending E-mail and Attachments
In this Chapter, you will learn:
How works
How to send and receive messages
What an attachment is
Whether there are maximum sizes for messages and attachments
What smileys, flame wars and spam are
How to use an address book
About local area networks
Practical PC, 4e
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3. How e-mail works E-mail is a way of sending an electronic letter.
An electronic letter is called an message.
messages can be delivered in minutes and the same message can be sent to multiple people.
The computer and software you use to send messages is called an system.
The “post office” that receives and sends the messages to the correct address is called an server.
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4. How works
server software is used by the server to create an electronic mailbox for each person.
The server sorts and sends messages to other servers to deliver to the correct person.
To use , you must have client software and an account with an server company.
Practical PC, 4e
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5. How works
Microsoft Outlook Express (among others) is an client software package and can manage your .
The way is handled is called a store-and-forward technology.
server stores messages in your mailbox
You sign on and request your mail
The server forwards your mail to your PC
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6. Store-and-forward technology
How works
Store-and-forward technology
Practical PC, 4e
Chapter 9

7. Sending and Receiving E-mail
To manage your , you will need to:
Compose or write messages
Read incoming messages
Reply or forward messages
Your new messages will be put into your Inbox by your mail server.
As you write, reply or forward messages, they are put into your Outbox waiting for you to connect to the mail server.
Practical PC, 4e
Chapter 9

8. Sending and Receiving E-mail
A typical message
Practical PC, 4e
Chapter 9

9. Using attachments E-mail systems handles only unformatted text files.
You can send formatted text, graphics or virtually any file format by sending it along with an as an attachment.
The receiver of the can open the attachment if the receiving PC has software that can handle the attachment’s format.
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10. E-mail with an attachment
Using attachments
with an attachment
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Chapter 9

11. Size Limits for Messages and Attachments
Some systems place limits on messages and attachments.
You should try to keep the size less than 1 MB.
Zip or compression technology can reduce the size of the file before sending it.
The amount of compression depends on the file type.
WinZip is a typical zip/unzip software package.
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12. Size Limits for Messages and Attachments
Using WinZip to compress a file
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13. Smileys, Flame Wars and Spams
has it’s own shorthand, including a whole array of emoticons or smileys indicating a smile or frown or other emotion.
There are many other protocols – like typing in all capitals – the equivalent of shouting.
You can get easily caught up in a flame war – resulting from a series of increasingly nasty or insulting messages flying back and forth.
Practical PC, 4e
Chapter 9

14. Smileys, Flame Wars and Spams
The unwritten code of ethics governing is called netiguette.
Flame wars are rude and unproductive use of the Internet.
Spam mail – unsolicited junk – is also a bad and irritating use of .
Practical PC, 4e
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15. Smileys, Flame Wars and Spams
Correct netiquette to follow:
Read and respond to promptly
Check your grammar and spelling
Think before you send a negative or irritating message
Use smileys to help convey your message
Don’t reply to all if your message is just to the sender
Don’t send unnecessary
Use Zip to shrink the size of your attachments when appropriate
Practical PC, 4e
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16. Smileys, Flame Wars and Spams
Smileys or Emoticons
;-) :-( :-O
“Don’t take this seriously”
Unhappy face
Surprise
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Chapter 9

17. Hardware – Local Area Networks
Many businesses connect their office PCs to each other and the Internet by using a Local Area Network (LAN).
This connection is always available.
The LAN can provide shared access to many resources such as software, files, printers and the Internet.
Practical PC, 4e
Chapter 9

18. Hardware – Local Area Networks
The key elements of a LAN are:
Workstations – usually standard PCs, connected to a LAN for sharing resources
A network server – a computer that helps control the resources and provide services to the workstations
A file server to store data files or software
A print server to control the attached printers
An server to control the mail services
A hub to connect all of the other devices
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19. Hardware – Local Area Networks
A typical network setup
Practical PC, 4e
Chapter 9

20. Hardware – Local Area Networks
LANs usually require a network specialist to install and maintain them.
For a PC or laptop to connect to a LAN, it must have a network interface card (NIC)
Desktops are connected using a 10Base-T or coaxial cable
Notebook computers use PCMCIA cards for easy removal
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21. Hardware – Local Area Networks
The LAN connection for a desktop
Practical PC, 4e
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22. Hardware – Local Area Networks
When you sign onto a LAN, you will need a userid/password to identify yourself.
The sign on process usually includes a login script to connect you to the network.
The My Network Places icon (or Network Neighborhood) gives you an overview of the entire network.
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23. Hardware – Local Area Networks
My Network Places window
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24. Using Your E-mail Address Book
An address book allows you to keep a list of frequently used addresses
The address book allows you to create mail groups
composed on multiple addresses
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25. Using Your E-mail Address Book
The Eudora Address Book
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26. Just how private is e-mail?
What do you think?
Just how private is ?
Do you think most people believe that their is private?
Do you agree with CalTech’s decision to expel the student who was accused of sending harassing to another student?
Do you think that should have the same privacy protections as telephone conversations and mail under U.S. laws?
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27. Chapter Summary You should now be able to:
Create and send an message.
Read, reply and forward messages.
Zip and attach files to s.
Understand netiguette and use smileys.
Create and use an address book.
Understand the basic workings of a LAN.
Practical PC, 4e
Chapter 9