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

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

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 Advantages and Disadvantages Introduction

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 Advantages and Disadvantages Advantages

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 Advantages and Disadvantages Disadvantages

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

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 Addresses Userids

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 Addresses Passwords

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

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 Addresses Domain Names

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 Addresses Address Determinations

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 Addresses Local and Systemwide Aliases

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

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

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

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

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

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

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

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

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

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

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

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

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

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 Inner Workings

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 Mailboxes Disk file Inner Workings Mailer, Mail Server, and Mailbox

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 Inner Workings Store and Forward Features

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 Inner Workings Central Mail Spool and IMAP

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 bounces = is undeliverable: Bad user account name Bad domain name Domain name server down Other malfunction Inner Workings Bounce Feature

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 and Business Management

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

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 Management Action Options

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 Management Action Options

Fundamentals of Electronic Mail From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 35 Automatically replies to 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? Management Vacation Programs

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? Management

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 Business is backed-up and such back- ups can be subpoenaed Businesses sometimes use filters to restrict communications Management and Business

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