2.3 Electronic Mail and Other Applications Flashcards
____________ (or email) was one of the earliest applications on the Internet and is still among the most heavily used today
Electronic mail
With email, users create and send messages to one user, several users, or all users on a ____________
distribution list
The ____________________ is the most commonly used email standard simply because it is the email standard used on the Internet
Simple Mail Transfer Protocol (SMTP)
SMTP email is usually implemented as a ________________________, but not always
two-tier thick client-server application
With a ________________________, each client computer runs an application layer software package called a mail user agent, which is usually more commonly called an email client
two-tier thick client-server architecture
The user sends the SMTP packet to a mail server that runs a special application layer software package called a ____________, which is more commonly called mail server software
mail transfer agent
- IMAP (Internet Message Access Protocol)
- LAN
- POP (Post Office Protocol)
How SMTP works
Two commonly used standards for communication between email client and mail server
- IMAP (Internet Message Access Protocol)
- POP (Post Office Protocol)
The email message must be copied to the client computer’s hard disk and deleted from the mail server
Post Office Protocol (POP)
Email messages can remain stored on the mail server after they are read
Internet Message Access Protocol (IMAP)
The ___________________________ uses a Web server and Web browser to provide access to your email. With this architecture, you do not need an email client on your client computer
three-tier thin client-server architecture
This type of mail is sometimes called Web-based email and is provided by a variety of companies (Gmail, Yahoo, MSN, etc)
three-tier thin client-server architecture
- HTTP
- IMAP
- LAN
- POP
- SMTP
How three-tier thin client-server architecture works
Enables users to log in to servers (or other clients)
Telnet
With _______________, you can exchange real-time typed messages or chat with your friends (ex: Google Talk and AOL Instant Messenger)
instant messaging