Post Office Protocol in short POP is the
technology that is used for communication in the form of email. Email is the
most wanted service over internet in the entire world. For running the mail on
the net, it needs to a special language for sending and receiving
mail that is known as POP. POP is in the network programming
It is the protocol that allows the computer to communicate the email server for uploading and downloading the message whenever it is connected to the computer. POP has the ability to download all of the messages onto a local computer. So that the users can view all the downloaded messages on their system whenever they want to view in the absence of internet connection. POP has a small email server with some limited space that saves the money of the consumer or company.
POP has one drawback that it download the mail on the individual system, and if you don't have that system in the other place, you can't see your mail. So this technology is beneficial when you have your system and don't have internet connection. The only solution of this problem is to have IMAP and Microsoft Exchange Server email accounts that allows the user to read all email directly from the server and the user can read all his/her mail from anywhere no matter what computer the user is using, but internet connection must be there.
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