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DV

Donjeta Vojvoda

Transcript

Electronic Mail

Reference :

What is a IMAP. (n.d.).Retrieved April , 22 , 2015, from WhatIsMyIPAddress.com

http://whatismyipaddress.com/imap

What is a POP3. (n.d.).Retrieved April , 22 , 2015, from WhatIsMyIPAddress.com

http://whatismyipaddress.com/pop3

What Is Simple Mail Transfer Protocol. (n.d.).Retrieved April , 22 , 2015, from WhatIsMyIPAddress.com

http://whatismyipaddress.com/smtp

Janssen,c. (n.d.).Retrieved April , 22 , 2015 from Techopedia

http://www.techopedia.com/definition/1693/multipurpose-internet-mail-extensions-mime

SMTP-POP3 AND IMAP IMAGE . (n.d.).Retrieved April , 22 , 2015, from beyaz

http://www.beyaz.net/tr/dokumanlar/eposta-terminolojisi-smtp-pop3-imap-spam

How POP3 Service Works. (March 28, 2003).Retrieved April 22 ,2015, from TechNet

https://technet.microsoft.com/en-us/library/cc737236(v=ws.10).aspx

Imap-vs-pop-email-systems. (n.d.).Retrieved April , 22 , 2015, from affordablewebdesign

https://www.affordablewebdesign.com/imap-vs-pop-email-systems

As the world becomes more mobile than ever, IMAP is becoming more and more popular. The proliferation of smartphones, laptops, tablets and other devices is making the demand for IMAP stronger than ever. While POP will remain popular with people who only access their email via one or two devices - and those who have slow CONNECTIONS to the Internet – IMAP is sure to remain the protocol of choice for most of today's busy people .

What is a IMAP?

IMAP versus POP :

If you think that IMAP and POP are interchangeable, think again. POP works by contacting your email server and downloading all of your new messages from it. Once they are downloaded, they disappear from the server. If you decide to check your email from a different device, the messages that have been downloaded previously will not be available to you. POP works fine for those who generally only check their email messages from a single device; those who TRAVEL or need to access their email from various devices are much better off with IMAP-based email service .

The Basics :

As its name implies, IMAP allows you to access your email messages wherever you are; much of the time, it is accessed via the Internet. Basically, email messages are stored on servers. Whenever you check your inbox, your email client contacts the server to CONNECT you with your messages. When you read an email message using IMAP, you aren't actually downloading or storing it on your computer ; instead, you are reading it off of the server. As a result, it's possible to check your email from several different devices without missing a thing.

End

What is a POP3?

POP3, which is an abbreviation for Post OFFICE Protocol 3, is the third version of a widespread method of receiving email. Much like the physical version of a post office clerk, POP3 receives and holds email for an individual until they pick it up. And, much as the post office does not make copies of the mail it receives, in previous versions of POP3, when an individual downloaded email from the server into their email program, there were no more copies of the email on the server; POP automatically deleted them.

- POP3 makes it easy for anyone to check their email from any computer in the world, provided they have configured their email program properly to WORK with the protocol.

Mail Server Functionality:-

POP3 has become increasingly sophisticated so that some administrators can configure the protocol to "store" email on the server for a certain period of time, which would allow an individual to download it as many times as they wished within that given time frame. However, this method is not practical for the vast majority of email recipients.

While mail servers can use alternate protocol retrieval programs, such as IMAP, POP3 is extremely common among most mail servers because of its simplicity and high rate of success. Although the newer version of POP offers more "features," at its basic level, POP3 is preferred because it does the JOB with a minimum of errors.

The features offered by MIME to email services are as follows:-

Techopedia explains Multipurpose Internet Mail Extensions (MIME):-

  • Support for multiple attachments in a single message.
  • Support for non-ASCII characters.
  • Support for layouts, fonts and colors which are categorized as rich text Support for attachments which may contain executables, audio, images and video files, etc.
  • Support for unlimited message length MIME is extensible because it defines a method TO REGISTER new content types and other MIME attribute values. The format of a message body is described by MIME using special header directives. This is done so that the email can be represented correctly by the client..

MIME was designed to extend the format of email to support non-ASCII characters, attachments other than text format, and message bodies which contain multiple parts. MIME describes the message content type and the type of encoding used with the help of headers. All manually composed and automated emails are transmitted through SMTP in MIME format. The association of Internet email with SMTP and MIME standards is such that the emails are sometimes referred to as SMTP/MIME email. The MIME standard defines the content types which are of prime importance in COMMUNICATION protocols like HTTP for the World Wide Web. The data are transmitted in the form of email messages through HTTP even though the data are not an email.

Multipurpose Internet Mail Extensions (MIME)

What does Multipurpose Internet Mail Extensions (MIME):-

Mean the Multipurpose Internet Mail Extensions (MIME) is an Internet standard that helps extend the limited capabilities of email by allowing insertion of images, sounds and text in a message.

What is SMTP?

SMTP is part of the application layer of the TCP/IP protocol. Using a process called "store and forward," SMTP moves your email on and across networks. It works closely with something called the Mail Transfer Agent (MTA) to send your COMMUNICATION to the right computer and email inbox.

SMTP spells out and directs how your email moves from your computer's MTA to an MTA on another computer, and even several computers. Using that "store and forward" feature mentioned before, the message can move in steps from your computer to its destination. At each step, Simple Mail Transfer Protocol is doing its JOB. Lucky for us, this all takes place behind the scenes, and we don't need to understand or operate SMTP.

SMTP provides a set of codes that simplify the COMMUNICATION of email messages between email servers (the network computer that handles email coming to you and going out).It is a kind of shorthand that allows a server to break up different parts of a message into categories the other server can understand. When you send a message out, it's turned into strings of text that are separated by the code words (or numbers) that identify the purpose of each section.

SMTP provides those codes, and email server software is designed to understand what they mean. As each message TRAVELS towards its destination, it sometimes passes through a number of computers as well as their individual MTAs. As it does, It's briefly stored before it moves on to the next computer in the path. Think of it as a letter going through different hands as it winds its way to the right mailbox.

most widely used application on the internt

• for sending mails:

1. simple mail transfer protocol(SMTP)

2. multi-purpose Internet Mail Extension(MIME)

• For receiving mails:

1. Post office protocol version 3(POP3)

2. Internet mail access protocol (IMAP)

Index

  • Introduction
  • What is SMTP?
  • Multipurpose Internet Mail Extensions (MIME)
  • What is a POP3?
  • What is a IMAP?
  • IMAP versus POP
  • Reference

Electronic Mail

5w2 :

  • Randa Alashqar
  • 432200144
  • Maram Alasmari
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  • Mashael Alhashime
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  • Nahlah Alotaibi
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Networks Protocols and Programming (Net 323 D)