Definition of email

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Definition of email

“Email” or “E-mail” means “Electronic Mail”. Email is a method of exchanging digital messages from a “Sender” to one or more “Receiver”. Email operates across the Internet or other Computer Networks. So, you can say “Internet Email”. Latest Email systems are based on a store and forward model. “Email Servers” accept, forward, deliver and store messages from “Sender” to one or more “Receiver in Internet. Email connects to a “Mail Server”, for as long as it takes to “Send” or “Receive” Email messages from “Sender” to one or more “Receiver”. You can “Send” and “Receive” Emails very easily in Internet.


Definition of email


Popular email service provider website


a) Gmail (

b) Yahoomail (

c) Hotmail (


Characteristics of email


a) Send emails to others
You can “Send” Emails to “Others (Receiver)” one location to another location by using the Internet within a short time.

b) Receive emails from others
You can also “Receive” Emails from “Others (Sender)” one location to another location by using the Internet within a short time.

c) Message format

     1. Message header

          i) From:
“From” means Who is Sending the Email to “Others (Receiver)”.

          ii) To:
“To” means to Whom the Email is Sending by “Sender”.

          iii) Date and Time
The local time and date when the message was written will be attached with your Email automatically. Like the “From: Field”, many email clients fill this in automatically when sending.

          iv) Message ID
“Message ID” or “Email ID” both are same. You need a “Message ID” or “Email ID” to “Send” and “Receive” Emails from others.

          v) In Reply To:
“In Reply To” means give Reply after Receiving the Emails from others (Sender).

          vi) Subject:
“Subject” means the specific Topic which is about the Email. You will get the Summary of the Email from the “Subject” option.

          vii) Cc:
“CC” means “Carbon Copy”. Many email clients will mark email in one’s inbox differently depending on whether they are in the “To:” or “Cc:” list.

          viii) Bcc:
“BCC” means “Blind Carbon Copy”. In “BCC” addresses added to the SMTP delivery list but not usually listed in the message data which is remaining invisible to other Receiver.

     2. Message body

          i) Type plain text
You can type the “Plain Text Message” which you want in the “Plain Text Message Body” part in your “Email Account”.

          ii) Type plain text with html
You can also use the HTML (Hyper Text Markup Language) in the “Plain Text Message Body” part. Advantages of HTML (Hyper Text Markup Language) include the ability to include inline links and images, set apart previous messages in block quotes, wrap naturally on any display in your “Email Account”.

          iii) Change text format
You can change the “Text Format” such as Bold, Italic and Underline in your “Email Account”.

          iv) Change font style
You can change “Font Style” of your “Plain Text Message Body” part in your “Email Account”.

          v) Check spelling
You can check the spelling of your “Plain Text Message”. Sometimes, you do the “Grammatical Mistakes” in your Writing. It is also checked by you with “Check Spelling” option in your “Email Account”.

          vi) Print email text messages
After receiving an Email, you can “Print” the “Email Text Messages”. Sometimes, you can “Print” the “Email Attachment Files” from your “Email Account”.

d) Filename extensions

     1. eml
Used by many email clients including “Microsoft Outlook Express, Lotus notes, Windows Mail, Mozilla Thunderbird and Postbox”. The files are plain text in “MIME” format, containing the email header as well as the message contents and attachments in one or more of several formats.

     2. emlx
Used by “Apple Mail”.

     3. msg
Used by “Microsoft Office Outlook and Office Logic Groupware”.

     4. mbx
Used by “Opera Mail, KMail, and Apple Mail” based on the mbox format.

e) Types of email

     1. Web based email (webmail)
You can “Send” and “Receive” Emails from your “Website Cpanel”. Web based email (webmail) “Email ID” is different from other “Email Service Provider Company”.


For example-

“Email ID@Domain Name” (


     2. POP3 email services
“POP3” is the acronym for “Post Office Protocol 3”. It is a leading email account type on the Internet. In a “POP3” email account, email messages are downloaded to the client device (Computer) and then they are deleted from the “Mail Server”.

     3. IMAP email servers
“IMAP” refers to “Internet Message Access Protocol”. It is an alternative to the “POP3 Email”. With an “IMAP Account”, a user’s account has access to mail folders on the “Mail Server” and can use any compatible device (Computer) to read messages, as long as such a device can access the server.

     4. MAPI email servers
“MAPI” refers to “Messaging Application Programming Interface” is a messaging architecture and a Component Object Model based API for “Microsoft Windows”.

f) Use of emails

     1. In Personal
You can Email for your Personal work. You can “Send” and “Receive” Emails from your Friends and Relatives. You can also “Send” your “Reply” to their “Email Address”.

     2. In business
Email was widely accepted by the business community as the first broad electronic communication medium in business
communication. Email is very simple to understand and like postal mail. Email solves two basic problems of communication such as Logistics and Synchronization.

Definition of email

     3. Research on email marketing
Research suggests that “Email Marketing” can be viewed as useful by Consumers if it contains information such as “New Product Information and Special Sales Offerings”.

     4. Communication to others
You can use Emails for communicating with others through Internet.

g) Problems of emails

     1. Attachment size limitation
There are some limitations to “Attach Files” with your Email when you are Sending Emails to “Others (Receiver)”. Usually, your Attachment size Limitation is “25 MB” at a time to “Send” Emails.

     2. Spamming and computer viruses to emails
Sometimes, Computer Virus can spread by “Spamming and Computer Viruses” from your Emails to your Computer.

     3. Email bombing
Email bombing is the intentional sending of large volumes of messages to a target “Email Address” for hampering work. The overloading of the target “Email Address” can render it unusable and can even cause the “Mail Server” to crash.

     4. Privacy concerns of emails

♦ Usually, Email messages are not encrypted.

♦ Email messages have to go through intermediate computers before reaching their destination. It is relatively easy for others to collect and read messages.

♦ Many Internet Service Providers (ISP)” store copies of email messages on their “Mail Servers” before they are delivered to the “Receiver”. The backups of these can remain for up to several months on their server, despite deletion from the mailbox.

♦ The “Received” fields and other information in the email can often identify by the “Sender” which can not prevent anonymous communication.




1. A Computer User

2. A Computer

3. Internet Connection (Broadband Internet or Modem Internet

4. Use “Internet Browser Software (Mozilla Firefx, Google Chrome, Internet Explorer, Opera etc.)”

5. Enter to “Email Service Provider Website (”

6. “Email ID” or “Email Account” for Sending Emails to Others
(Receiver) and Receiving Emails from Others (Sender).

7. Enter to your “Email ID” or “Email Account” to check “Previous Received Emails” from “Others (Sender)” and “Send New Emails” to “Others (Receiver)”.




a) Use any “Email Service Provider Website” which you like most (Gmail, Yahoomail, Hotmail etc.)

b) Use “Gmail” to get the best facilities to do the Email from Internet. (

c) Send any attachment file with your Email to others within a short time.

d) You can check your “Previous Sent Emails” from your “Email ID” or “Email Account”.

In this way, you can understand about Definition of Internet Email, Popular Email Service Provider Website, Characteristics of Internet Email, Requirements and Tips to the Internet in your Computer.

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