1. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 1 Introduction E-Mail: Advantages and Disadvantages Userids, Passwords, and E-Mail Addresses Message Components Message Composition Mailer Features E-Mail Inner Workings E-Mail Management MIME Types

2. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 2 Introduction Advantages Disadvantages E-Mail: Advantages and Disadvantages

3. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 3 Receive and send to: Any country Computer users Many users at once Computer programs E-Mail: Advantages and Disadvantages Introduction

4. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 4 Convenience Speed Inexpensive Printable Reliable Global Generality E-Mail: Advantages and Disadvantages Advantages

5. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 5 Misdirection Interception Forgery Overload Junk (spam) No response E-Mail: Advantages and Disadvantages Disadvantages

6. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 6 Userids Passwords E-Mail Addresses Domain Names E-Mail Address Determinations Local and Systemwide Aliases Userids, Passwords, and E-Mail Addresses

7. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 7 Login name, user name, account name Mnemonic meaning Userids, Passwords, and E-Mail Addresses Userids

8. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 8 Authentication At least five characters Contain nonalphabetical symbol Contain a number Uppercase and lowercase letters Userids, Passwords, and E-Mail Addresses Passwords

9. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 9 username@hostname.subdomain.domain @ = “at” Suffix is general from left to right No more than 256 characters Userids, Passwords, and E-Mail Addresses E-Mail Addresses

10. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 10 Country codes Domain name space (DNS) Distributed naming scheme Generic top-level domain names: com commercial business edu education gov U.S. government int international entity org nonprofit organization mil U.S. military net networking organization Userids, Passwords, and E-Mail Addresses Domain Names

11. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 11 Ask the person Program for locating people Browser Verify with program Search engine Userids, Passwords, and E-Mail Addresses E-Mail Address Determinations

12. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 12 Easy-to-remember name Distribution list or private distribution list Local or private aliases Public alias Userids, Passwords, and E-Mail Addresses Local and Systemwide Aliases

13. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 13 E-mail client displays following information about each e-mail message: Date Sender name Size (bytes) Subject line Message Components

14. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 14 E-mail header Full header includes route and message id From Date To Subject Cc Blind carbon copy (not visible) Message Components

15. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 15 Body Greeting Text Signature MIME Attachment Message Components

16. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 16

17. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 17 Structure Netiquette Composition Message Composition

18. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 18 To Cc Attachment Subject Text editor Message Composition Structure

19. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 19 Emoticons “SHOUTING” Flaming Message Composition Netiquette

20. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 20 Signature file Attach files Insert a file Message Composition Composition

21. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 21 Compose, File, and Reply Bracketed Text and Include Forwarding Mailer Features

22. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 22 Compose New Reply Forward Vacation Mailer Features Compose, File, and Reply

23. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 23 File Save Insert Exit Open Attach Mailer Features Compose, File, and Reply

24. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 24 Reply To sender To all Forward Include Include bracketed * include original message Mailer Features Compose, File, and Reply

25. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 25 Multiple e-mail addresses.forward Mailer Features Forwarding

26. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 26 Mailer, Mail Server, and Mailbox Store and Forward Features Central Mail Spool and IMAP Bounce Feature E-Mail Inner Workings

27. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 27 Mailers Mail program, mail application, mail client Software Mail servers Computer Receive, store, and deliver e-mail Mailboxes Disk file E-Mail Inner Workings Mailer, Mail Server, and Mailbox

28. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 28 7 by 24 machine Inbox Save and pick-up Post Office Protocol (POP) Simple Mail Transfer Protocol (SMTP) Main spool E-Mail Inner Workings Store and Forward Features

29. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 29 Interactive Mail Access Protocol (IMAP) Encrypted passwords Hybrid systems E-Mail Inner Workings Central Mail Spool and IMAP

30. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 30 Packets Sequence numbers Handshaking E-mail bounces = is undeliverable: Bad user account name Bad domain name Domain name server down Other malfunction E-Mail Inner Workings Bounce Feature

31. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 31 Introduction Action Options Vacation Programs E-Mail and Business E-Mail Management

32. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 32 Does e-mail help you at work? Is e-mail a waste of your time? Are you flooded with e-mail from mailing lists? Is e-mail a distraction? Are you constantly reading forwarded jokes? How can e-mail make your life more enjoyable? How can e-mail make you more productive instead of less efficient? Do you receive a lot of useless gossip? E-Mail Management Introduction

33. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 33 Delete the message Skip a message Read the message Triage Skim for important messages Skim for what you can delete unread Work through remainder E-Mail Management Action Options

34. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 34 Skim and delete Read important messages and delete rest Deal with each message as possible If more time needed, postpone E-Mail Management Action Options

35. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 35 Automatically replies to e-mail Considerations: Do most of your friends know you are going away? Do most of your business associates realize you are on vacation? Are you subscribed to any mailing lists where many users could be bombarded? Will knowing you are away for a week make a big difference? Do you want people to know you are away? E-Mail Management Vacation Programs

36. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 36 Considerations (continued): Do you want to generate additional and unnecessary e- mail? Do you tell recipients who to contact in your absence? E-Mail Management

37. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 37 Currently legal for employer to read all company e-mail Business e-mail is backed-up and such back- ups can be subpoenaed Businesses sometimes use e-mail filters to restrict communications E-Mail Management E-mail and Business

38. Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 38 Multipurpose Internet Mail Extensions ASCII text files (plaintext) Binary files Viruses MIME Types