Week 9: Email

What is Email ?

• A mail, but sent electronically across the internet.
• Quickly delivered in seconds or minutes.

Advantages and Disadvantages of Email

Email Address

• The general format of an email address is local-part@domain, and a specific example is jsmith@example.com. 
• An address consists of two parts. The part before the @ symbol (local-part) identifies the name of a mailbox. This is often the username of the recipient, e.g., jsmith.
• 
  

Email Client 

• Software/ program that can transfer e-mail from local host to a local e-mail server.

Email Server

• Software/ program that can send/ receive email from/ to other email severs.

What is Cc and Bcc ?

Attachment- MIME (Multipurpose Internet Mail Extension)

ASCII Code

How Does Email Works ?

IMAP (Internet Message Access Protocol)

• IMAP is designed for the situation where you want to work with your email from multiple computers, such as your workstation at work, your desktop computer at home, or a laptop computer while traveling.

• Messages are displayed on your local computer but are kept and stored on the mail server - you can work with all your mail, old and new, from any computer connected to the Internet, as long as the mail servers are running.
  

Web-based-e-mail-HTTP (Hypertext Transfer Protocol)

• Allowing the mail to be delivered in a web page format.

Bounced back email.

• Bad user account name
• Bad domain name
• Domain name server is down for several days
• Some other malfunction (email is too big)

SPAM Mail