Email WeeSan Lee [email protected]@cs.ucr.edu.
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Transcript of Email WeeSan Lee [email protected]@cs.ucr.edu.
Roadmap
History Email Account Email Clients Access Emails Email Basics Advance Features Emoticon & Acronyms Netiquette Conclusion & References
History
In 1971, Ray Tomlinson of BBN invented email program
In 1972, @ was used to separate username and hostname
Email Account
[email protected] Eg. [email protected]
Get an account from ISP, eg. [email protected] University, eg. [email protected] Department, eg. [email protected] Google, eg. [email protected] …
Username & Password
Username or userid? Choose a good username*
A good choice is first initial and last name Eg. wlee
A bad username might cause you your job! Choose a good password
At least 8 characters long Mix UPPER & lower case, numbers and symbols
Eg. ^Bambo0!
Email Clients
A program to read emails GUI-based (Graphic User Interface)
Thunderbird Eudora Outlook Express Outlook
Text-based Pine
Web-based Gmail Hotmail
Email Clients - Examples
http://arstechnica.com/images/thunderbird/thunderbird-ss1-sm.gif
Access Emails
POP Post Office Protocol Version 3, ie. POP3 Require an email client
IMAP Internet Message Access Protocol May or may not require an email client
Web-based Require a web browser
POP
A way to retrieve/download emails locally Connect, download, disconnect Ideal for offline mail usage
Require an username & password Incoming Mail Server
A server for downloading emails Eg. pop.cs.ucr.edu Options for:
How often to download emails Leave emails on the server
POP (cont)
Outgoing Mail Server A server for sending emails Eg. smtp.cs.ucr.edu Use SMTP (Simple Mail Tranfer Protocol)
Incoming and outgoing mail server could be the same
IMAP
A way to access emails directly on the server Usually stay connected, also provide offline mode No local burden
Require an username & password IMAP server
A server where emails are stored Outgoing mail server and IMAP server could
be the same
Webmail - Web-based email
Use a browser to access emails anywhere Usually a front-end to an IMAP server Signup is easy
Username of your choice* Complete a few forms
Eg. http://webmail.ucr.edu/ http://webmail.cs.ucr.edu/ Google mail or Gmail Hotmail Yahoo mail
Webmail - Example
Webmail (cont)
Messages and address book are stored on the server Backup important messages and email addresses Security issues
Messages and addresses are stored remotely Be sure to logout after use
Drawback for public webmail A few advertising lines on each outgoing message Popup ads or on the side
Email Basics (Gmail)
Read Email Write/Compose an Email Reply Reply All Forward
Email Basics - Read Email
Email Basics - Compose an Email
Email Basics
Reply Send email back to the
sender Reply All
Send email back to all original recipients
Forward Send email (including
original message) on to someone else
Email Headers
Email Headers (cont)
To To someone for direct information or action Comma separated for multiple recipients
Eg. [email protected], [email protected]
Cc Carbon copy or computer copy To someone for their information
Bcc Blind carbon copy or blind computer copy The recipients in To and Cc can’t see recipients in this field
Email Headers (cont)
Return-Path: <[email protected]> Received: from esmtp.cs.ucr.edu (esmtp.cs.ucr.edu [138.23.169.83]) by iliad.cs.ucr.edu (Postfix) with ESMTP id 6D5F42CA4019 for <[email protected]>; Tue, 16 Oct 2007 02:08:55 -0700 (PDT) Received: by esmtp.cs.ucr.edu (Postfix, from userid 202) id 13B802632CF; Tue, 16 Oct 2007 02:08:52 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on esmtp.cs.ucr.edu X-Spam-Level: * X-Spam-Status: No, score=1.8 required=5.0 tests=AWL,BAYES_50, MSGID_FROM_MTA_ID autolearn=no version=3.1.3 Received: from mail3.sea5.speakeasy.net (mail3.sea5.speakeasy.net [69.17.117.5])
by esmtp.cs.ucr.edu (Postfix) with ESMTP id DA9E2262DF7 for <[email protected]>; Tue, 16 Oct 2007 02:07:34 -0700 (PDT) From: "PhD Comics" <[email protected]> To: <[email protected]> Date: Tue, 16 Oct 2007 00:13:39 -0700
Email Headers (cont)
Correction from the book, pg. 117Routers and servers add these when the message is passwd along the line.
SMTP servers add these when the …
Plain Text vs. HTML Email
Don’t send HTML Email Not all are using a GUI or web-based email client
Don’t send both plain text and HTML email Bloated
Advanced Features
File Attachment Address Book Filters Vacation Message Signature Sorting & Search Email Management Encryption
Advanced Feature - File Attachment Email was designed to send plain text Binary files need to be encoded before
“attaching” in an email Eg. Word document, image files, audio/video files
Usually Base64 encoding is used A-Z, a-z, 0-9, +, - So, attachment is usually 1/3 bigger than original
Advanced Feature - File Attachment
Advanced Feature - Address Book Allows the use of names instead of email
addresses in To, Cc and Bcc fields Avoid emails from people in the address book
being flagged as SPAM AKA Contacts
Advanced Feature - Filters
Advanced Feature - Filters
Advanced Feature - Vacation Message Automatically reply a short message back to
the sender Click Settings/General
Advanced Feature - Signature Automatically include your contact
information in each email you send Click Settings/General
Advanced Feature - Sorting & Search Emails can be sorted based on arrival time,
subject, To, From, size, etc Emails are searchable
Advanced Feature - Email Management
Advanced Feature - Email Management Traditional email clients use folders
Save related messages to the same folder Eg. All emails from friends are saved to friends folder
Problem EmailA: An email from a colleague who is also a friend
EmailB: An email from a friend talking about food
Gmail uses labels Label EmailA both as “colleague” and “friend”
Label EmailB both as “friend” and “food”
Advanced Feature - Encryption PGP (Pretty Good Privacy)
Public and private keys For example, Alice wants to send Bob an
encrypting email Emailencrypted = Aliceprivate{Bobpublic{Email}} Alice sends Emailencrypted to Bob as an attachment Bob gets the original email back by reversing the
process Email = Bobprivate{Alicepublic{Emailencrypted}}
Correction from the book, pg. 132
Emoticons
:-) smile :) smile - no nose 8-) smile with glasses :-/ hmmm :-( sad face :( sad face - no nose
Acronyms
BTW By the way IMO In my opinion IMHO In my humble opinion LOL Laugh out loud BBL Be back later TTFN Ta-ta for now RTFM Read the f**king manual
Netiquette
Proper Internet social behavior Network etiquette
RFC1855 - Netiquette Guidelines Never send chain letters via electronic mail Do not send heated messages
Heated messages are called “flames” “Be conservative in what you send and liberal in what
you receive” Use a signature
< 4 lines
Netiquette (cont)
DON’T SHOUT Use symbols for emphasis
Eg. This *is* what I meant Use underscores for underlining
Eg. _War and Peace_ is my favorite book. Wait overnight to send emotional responses to
messages Be concise & keep the message short Don’t send emails over 100K
Send URL instead
Netiquette (cont)
Use a meaningful subject line Be careful what you say Make yourself look good online
Use spelling and grammar checker
Conclusion
Presented basic and advanced email usage Described emoticons, acronyms and
netiquette
References
Internet Effectively Ch 4
HW4 - https://webmail.cs.ucr.edu/
HW4 - https://webmail.cs.ucr.edu/
HW4 - https://webmail.cs.ucr.edu/
HW4 - https://fish.cs.ucr.edu/phprocmail/
HW4 - https://fish.cs.ucr.edu/phprocmail/
HW4 - https://fish.cs.ucr.edu/phprocmail/
