fundamentals of electronic mail from greenlaw/hepp, in-line/on-line: fundamentals of the internet...
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From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 1
Fundamentals of Electronic MailFundamentals of Electronic Mail
IntroductionIntroduction
• 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 2
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Introduction• Advantages• Disadvantages
E-Mail: Advantages and DisadvantagesE-Mail: Advantages and Disadvantages
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 3
Fundamentals of Electronic MailFundamentals of Electronic Mail
Receive and send to:• Any country• Computer users• Many users at once• Computer programs
E-Mail: Advantages and DisadvantagesIntroductionIntroduction
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 4
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Convenience• Speed• Inexpensive• Printable• Reliable• Global• Generality
E-Mail: Advantages and DisadvantagesAdvantagesAdvantages
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 5
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Misdirection• Interception• Forgery• Overload• Junk (spam)• No response
E-Mail: Advantages and DisadvantagesDisadvantagesDisadvantages
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 6
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Userids• Passwords• E-Mail Addresses• Domain Names• E-Mail Address Determinations• Local and Systemwide Aliases
Userids, Passwords, and E-Mail AddressesUserids, Passwords, and E-Mail Addresses
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 7
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Login name, user name, account name• Mnemonic meaning
Userids, Passwords, and E-Mail AddressesUseridsUserids
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 8
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Authentication• At least five characters• Contain nonalphabetical symbol• Contain a number• Uppercase and lowercase letters
Userids, Passwords, and E-Mail AddressesPasswordsPasswords
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 9
Fundamentals of Electronic MailFundamentals of Electronic Mail
• [email protected]• @ = “at”• Suffix is general from left to right• No more than 256 characters
Userids, Passwords, and E-Mail AddressesE-Mail AddressesE-Mail Addresses
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 10
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 AddressesDomain NamesDomain Names
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 11
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Ask the person• Program for locating people• Browser• Verify with program• Search engine
Userids, Passwords, and E-Mail AddressesE-Mail Address DeterminationsE-Mail Address Determinations
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 12
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Easy-to-remember name• Distribution list or private distribution list• Local or private aliases• Public alias
Userids, Passwords, and E-Mail AddressesLocal and Systemwide AliasesLocal and Systemwide Aliases
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 13
Fundamentals of Electronic MailFundamentals of Electronic Mail
E-mail client displays following information about each e-mail message:
• Date• Sender name• Size (bytes)• Subject line
Message ComponentsMessage Components
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 14
Fundamentals of Electronic MailFundamentals of Electronic Mail
E-mail header• Full header includes route and message id• From• Date• To• Subject• Cc• Blind carbon copy (not visible)
Message ComponentsMessage Components
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 15
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Body• Greeting• Text• Signature
• MIME Attachment
Message ComponentsMessage Components
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 16
Fundamentals of Electronic MailFundamentals of Electronic Mail
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 17
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Structure• Netiquette• Composition
Message CompositionMessage Composition
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 18
Fundamentals of Electronic MailFundamentals of Electronic Mail
• To• Cc• Attachment• Subject• Text editor
Message CompositionStructureStructure
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 19
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Emoticons• “SHOUTING”• Flaming
Message CompositionNetiquetteNetiquette
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 20
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Signature file• Attach files• Insert a file
Message CompositionCompositionComposition
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 21
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Compose, File, and Reply• Bracketed Text and Include• Forwarding
Mailer FeaturesMailer Features
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 22
Fundamentals of Electronic MailFundamentals of Electronic Mail
Compose• New• Reply• Forward• Vacation
Mailer FeaturesCompose, File, and ReplyCompose, File, and Reply
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 23
Fundamentals of Electronic MailFundamentals of Electronic Mail
File• Save• Insert• Exit• Open• Attach
Mailer FeaturesCompose, File, and ReplyCompose, File, and Reply
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 24
Fundamentals of Electronic MailFundamentals of Electronic Mail
Reply • To sender• To all• Forward• Include• Include bracketed
* include original message
Mailer FeaturesCompose, File, and ReplyCompose, File, and Reply
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 25
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Multiple e-mail addresses• .forward
Mailer FeaturesForwardingForwarding
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 26
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Mailer, Mail Server, and Mailbox• Store and Forward Features• Central Mail Spool and IMAP• Bounce Feature
E-Mail Inner WorkingsE-Mail Inner Workings
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 27
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Mailers• Mail program, mail application, mail client• Software
• Mail servers• Computer• Receive, store, and deliver e-mail
• MailboxesDisk file
E-Mail Inner WorkingsMailer, Mail Server, and MailboxMailer, Mail Server, and Mailbox
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 28
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 7 by 24 machine• Inbox• Save and pick-up• Post Office Protocol (POP)• Simple Mail Transfer Protocol (SMTP)• Main spool
E-Mail Inner WorkingsStore and Forward FeaturesStore and Forward Features
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 29
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Interactive Mail Access Protocol (IMAP)• Encrypted passwords• Hybrid systems
E-Mail Inner WorkingsCentral Mail Spool and IMAPCentral Mail Spool and IMAP
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 30
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 WorkingsBounce FeatureBounce Feature
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 31
Fundamentals of Electronic MailFundamentals of Electronic Mail
• Introduction• Action Options• Vacation Programs• E-Mail and Business
E-Mail ManagementE-Mail Management
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 32
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 ManagementIntroductionIntroduction
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 33
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 ManagementAction OptionsAction Options
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 34
Fundamentals of Electronic MailFundamentals of Electronic Mail
Skim and delete• Read important messages and delete rest• Deal with each message as possible• If more time needed, postpone
E-Mail ManagementAction OptionsAction Options
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 35
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 ManagementVacation ProgramsVacation Programs
From Greenlaw/Hepp, In-line/On-line: Fundamentals of the Internet and the World Wide Web 36
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 37
Fundamentals of Electronic MailFundamentals of Electronic Mail
• 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 ManagementE-mail and BusinessE-mail and Business