POP Full Form

By Anjnee Bhatnagar|Updated : April 26th, 2022

What is POP Full Form? The Post Office Protocol is known as POP full form. It is an application layer protocol used in receiving e-mails or used to retrieve e-mails by clients on a mail server. The POP full form is sometimes referred to as Point of Presence also. The POP protocol is widely used at the application layer with SMTP protocol for sending and receiving mails over the internet.

In this article, we will learn about POP full form, its characteristics, and its advantages and disadvantages individually. To know in-depth usage of POP protocol let us have some insights on its characteristics.

Table of Content

POP Full Form in Computer

The POP full form in computer is Post Office Protocol. Being familiar with the POP full form and its meaning now we will focus on its characteristics. There is another widely used protocol for retrieving mails, however, POP is well known older version protocol. the new version of POP is called POP3 and is used in place of POP nowadays. The features or characteristics of POP are:

  • POP supports download functions in offline mode.
  • It supports delete operation in offline mode.
  • It allows access to new mails present on the client-side.
  • It is an open internet protocol.
  • It can retrieve e-mails sent by SMTP only.
  • It does not require mail gateways.

What is the role of POP in NPS?

POP provides various features in the NPS (New Pension Scheme). It is widely used as a central point that provides access to information and reliability to the user. POP allows to change the subscriber's personal details, it allows change in investment schemes and more features are provided to the user for convenient and efficient functioning at the client end. 

Why is POP (Post office protocol) needed?

The POP full form itself suggests the need for its existence. POP was designed to provide a simple pathway for the client computers or hosts to retrieve e-mails on an SMTP server (Simple Mail Transfer Protocol). The POP protocol works on five important pieces of equipment/ tools. These five tools are:

  • Base Station: A single central point of reference to an access point for the distribution of the connection.
  • Network Switches: Used for distribution of the flow of data.
  • Client Equipment: Used by client nodes to access the base station.
  • Routers: They route the data through multiple paths.
  • Firewalls: They are used in order to provide security from external threats.

Advantages of POP Protocol

The POP protocol has its latest version in the market, named as POP3 protocol, which is widely used and supported by most clients over the internet. Following are the advantages of using the POP protocol:

  • It is simple to configure and use.
  • All the retrieved content gets automatically stored in the disc drive of the client.
  • There is no limitation on the size of the file, and it depends on the hosts' disc size.

Disadvantages of POP Protocol

To retrieve an e-mail from the mailbox, we have another protocol available called IMAP4 (Internet Message Access Protocol). Today IMAP4 is widely used over POP protocol. The disadvantages of the POP (POP full form: Post Office Protocol) are:

  • It occupies more storage space as all the data is stored on the disc drive.
  • It is more prone to virus attacks as data is directly stored on the disc drive.
  • E-mails might get corrupted.
  • It is not convenient to export a local mail file to some other physical host or machine.

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  • The POP full form is post office protocol. The POP full form is sometimes also referred to as the Point Of Presence protocol. 

  • To send and retrieve e-mails over the internet, we make use of two application layer protocols, namely SMTP(SMTP full form: Simple Mail Transfer Protocol) and POP(POP full form: Post Office Protocol). SMTP is used to send e-mails, and POP is used to retrieve e-mails, respectively.

  • For retrieving an e-mail, there are two protocols, namely POP( Post Office Protocol ) and IMAP (Internet Message Access Protocol). Earlier, POP was used widely, but now IMAP4 is used as it supports the MIME type.

  • There are many disadvantages because of which it is not widely used in practice today. The major cons being it occupies a lot of client disc space, and it is more prone to virus attacks.

  • POP ( POP full form : Post office protocol) is used on the application layer of the OSI model. The POP is used to retrieve e-mails from the client servers.

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