Email · Website glossary

POP3

Quick answer · What is POP3?

Post Office Protocol version 3 is a protocol for retrieving messages from a server mailbox.

IN PRACTICE

POP3: an example

A desktop client downloads newly received messages using the account's POP settings.

KEEP IN MIND

Whether downloaded mail remains on the server depends on configuration; do not assume another device retains a copy.

Put the idea to work

Frequently asked questions

What is a practical example of POP3?

A desktop client downloads newly received messages using the account's POP settings.

Will POP3 always leave a copy of downloaded messages on the server?

Whether downloaded mail remains on the server depends on configuration; do not assume another device retains a copy.

Which concepts should I read alongside POP3?

IMAP: Internet Message Access Protocol lets clients access and manage messages held on a mail server.
Mailbox: A storage destination for messages associated with an email account.