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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. E-Mail: Advantages and Disadvantages. Introduction Advantages Disadvantages.

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Introduction

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

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


Introduction

E-Mail: Advantages and Disadvantages

Introduction

Advantages

Disadvantages

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


Introduction

Receive and send to:

Any country

Computer users

Many users at once

Computer programs

E-Mail: Advantages and Disadvantages

Introduction

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


Introduction

Convenience

Speed

Inexpensive

Printable

Reliable

Global

Generality

E-Mail: Advantages and Disadvantages

Advantages

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


Introduction

Misdirection

Interception

Forgery

Overload

Junk (spam)

No response

E-Mail: Advantages and Disadvantages

Disadvantages

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


Introduction

Userids, Passwords, and E-Mail Addresses

Userids

Passwords

E-Mail Addresses

Domain Names

E-Mail Address Determinations

Local and Systemwide Aliases

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


Introduction

Login name, user name, account name

Mnemonic meaning

Userids, Passwords, and E-Mail Addresses

Userids

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


Introduction

Authentication

At least five characters

Contain nonalphabetical symbol

Contain a number

Uppercase and lowercase letters

Userids, Passwords,

and E-Mail Addresses

Passwords

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


Introduction

[email protected]

@ = “at”

Suffix is general from left to right

No more than 256 characters

Userids, Passwords,

and E-Mail Addresses

E-Mail Addresses

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


Introduction

Country codes

Domain name space (DNS)

Distributed naming scheme

Generic top-level domain names:

comcommercial business edueducation

govU.S. government intinternational entity

orgnonprofit organization milU.S. military

netnetworking organization

Userids, Passwords,

and E-Mail Addresses

Domain Names

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


Introduction

Ask the person

Program for locating people

Browser

Verify with program

Search engine

Userids, Passwords,

and E-Mail Addresses

E-Mail Address Determinations

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


Introduction

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

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


Introduction

E-mail client displays following information about

each e-mail message:

Date

Sender name

Size (bytes)

Subject line

Message Components

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


Introduction

E-mail header

Full header includes route and message id

From

Date

To

Subject

Cc

Blind carbon copy (not visible)

Message Components

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


Introduction

Body

Greeting

Text

Signature

MIME Attachment

Message Components

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


Introduction

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


Introduction

Message Composition

Structure

Netiquette

Composition

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


Introduction

To

Cc

Attachment

Subject

Text editor

Message Composition

Structure

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


Introduction

Emoticons

“SHOUTING”

Flaming

Message Composition

Netiquette

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


Introduction

Signature file

Attach files

Insert a file

Message Composition

Composition

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


Introduction

Mailer Features

Compose, File, and Reply

Bracketed Text and Include

Forwarding

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


Introduction

Compose

New

Reply

Forward

Vacation

Mailer Features

Compose, File, and Reply

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


Introduction

File

Save

Insert

Exit

Open

Attach

Mailer Features

Compose, File, and Reply

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


Introduction

Reply

To sender

To all

Forward

Include

Include bracketed

* include original message

Mailer Features

Compose, File, and Reply

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


Introduction

Multiple e-mail addresses

.forward

Mailer Features

Forwarding

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


Introduction

E-Mail Inner Workings

Mailer, Mail Server, and Mailbox

Store and Forward Features

Central Mail Spool and IMAP

Bounce Feature

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


Introduction

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

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


Introduction

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

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


Introduction

Interactive Mail Access Protocol (IMAP)

Encrypted passwords

Hybrid systems

E-Mail Inner Workings

Central Mail Spool and IMAP

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


Introduction

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

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


Introduction

E-Mail Management

Introduction

Action Options

Vacation Programs

E-Mail and Business

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


Introduction

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

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


Introduction

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

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


Introduction

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

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


Introduction

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

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


Introduction

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

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


Introduction

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

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


Introduction

MIME Types

Multipurpose Internet Mail Extensions

ASCII text files (plaintext)

Binary files

Viruses

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


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