Post Office Protocol (POP)

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POP (Post Office Protocol) is an Internet standard that defines an e-mail server (POP Server) and a way to download mail (with a POP client).

What does POP3 mean?

The Post Office protocol has doubled in size since it was first published. A rough history of POP

• POP: Post Office Protocol (POP1); Published in 1984
• POP2: Post Office Protocol - Version 2; 1985 will be published and
• POP3: Post Office Protocol - Version 3, published in 1988.
  

Therefore, POP3 stands for "Post Office Protocol 3". This version includes protocol extensions with new functionality, such as verification mechanisms. Since 1988, it has been used to refine the Post Office protocol, and POP3 is still

How does POP work?

Incoming messages are stored in the POP ( e-mail client until the user can access them and download the messages to the computer.

SMTP is used to transfer your e-mail China WhatsApp Number List messages to the server, and POP is used to collect mail with your e-mail client.

How does POP compare to IMAP?

POP is a great and simple type. While allows synchronization and online access, POP defines simple commands for searching mail. Messages are stored and handled only locally on a computer or device.

POP is therefore difficult to implement and is usually more reliable and stable.

Not just for sending POP?

The POP standard defines the flow of electronic download commands. It does not include means to send messages. When sending an email, it uses SMTP (Simple Mail Transfer Protocol).

What are the disadvantages of POP?

POP has both its advantages and its disadvantages.

POP is a limited protocol that allows the e-mail program to download messages to a computer or device, but does nothing, with the ability to save a copy on the move for future downloading.

POP electronic programs allow you to keep track of the messages that have already been delivered, but sometimes this does not happen and the messages may be downloaded again.