What is E-mail or Electronic Mail?
What is E-mail or Electronic Mail?
E-mail or Email is just the short sort of “Electronic Mail”. it's a system of receiving, sending, and storing electronic messages. An electronic mail is text or a file prepared using software in computer which travels through telephone lines from one computer to a different . E-mail has become a well-liked method of communication. Now, an e-mail is preferred for private or business communication as compared to letter sent by traditional post. electronic message has gained universal popularity because an individual from any age bracket and from any background can use it and therefore the delivery of the message is instant. The speed is far above the speed of the normal postal or the courier service.
1.1 How is E-mail service used?
Messages sent by electronic message normally reach a recipient’s account within seconds.The message can include text, images and various sorts of formatted documents. lately , it's not necessary to be sitting ahead of a PC to send or receive an email. a spread of mobile devices, like tablet computers and smart phones make it possible to send the message via E-mail. the subsequent diagram displays how an e-mail moves from the sender to the receiver.
1.2 Protocols utilized in E-mail Service
Users receive and send messages using standardized protocols that make it possible for emails to travel between computers. A protocol may be a set of rules that are needed for communication. Allow us to say, one computer is using ‘a’ software, the opposite computer is using ‘b’ software. Both of them want to speak and exchange data. Computer ‘a’ won't be ready to understand the message of computer ‘b’ and computer ‘b’ won't be ready to understand the message of computer ‘a’. Here it becomes necessary that both the computers will agree upon standard set of rules to send or receive the message. Thus, standard or uniform protocols are needed in order that different computers using differing types of software can send or receive the knowledge.
There are three sorts of protocols employed by e-mail service. One is straightforward message transfer protocol (SMTP), second is Post Office Protocol and third is IMAP (Internet Message Access Protocol). the straightforward message transfer protocol (SMTP) enables the particular sending of messages. The Post Office Protocol and IAMP allows the users to retrieve information instantly. once we want to send a message using e-mail service, there are three important things that are to be kept in mind. The primary is that the body of the message. The second is that the address of the person(s) to whom you would like to send the message. The third is that the fields associated to e-mail message.
Message Body
The body of the message may consist of words, number, attachments, special characters or anything you want to insert in the letter.
E-mail Address
Let us look at the following example(s) to understand the e-mail address and its
components.
Example:
- xyz@gmail.com
- admin@eduquizs.in
- admin@eduquizs.com
- abc@yahoomail.com
An e-mail address consists of four parts
1. The username - xyz
2. The symbol - @
3. The hostname - eduquizs
4. The top level domain - in
1. The username, here ‘editor’ which refers to the mailbox. The username is that the name given by the user (the recipient) as per his/her choice, while preparing an e-mail address for him / her. While deciding a username, the recipient has got to follow the naming conventions like use of underscore ( _ ) or a dot ( . ) as a separator between two words, minimum or maximum number of character to be maintained etc.
2. The symbol, here ‘@’. This symbol is pronounced as ‘at the rate’ and this remains same in every email address.
3. The hostname, here 'eduquizs'. The hostname is additionally called the name. The domain name is that the name of mail server whose representation appears within the client computer when he/she opens his/her inbox. This name is vital to steer the message to the address of the mail server. The address may be a unique IP address for easy identification on the web .
4. Top-level domain (TLD). The top-level domain may again get divided into two portions. Here “com” or “co” refers to commercial sites (the first portion) and “in” refers to India (the second portion). Thus, “co.in” together refers to commercial sites registered and residing in India.
Ex - 1. www.xyz.in
2. www.xyz.co.in
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