Post Office Protocol - Wikipedia
In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. [1] Today, POP version 3 (POP3) …
What Are Email Protocols - POP3, SMTP and IMAP - SiteGround
Sep 3, 2025 · What is POP3? The POP3 abbreviation stands for Post Office Protocol version 3, which provides access to an inbox stored in an email server. It executes the download and …
Post Office Protocol Version 3 (POP3): Complete guide - Twilio
POP3 is the third version of the Post Office Protocol—a standard mail protocol that downloads emails from a server to your local device. It retrieves your messages and brings them straight …
What is the difference between POP and IMAP? - Microsoft …
POP3 is an older protocol that was originally designed to be used on only one computer. Unlike modern protocols that use two-way synchronization, POP3 only supports one-way email …
What is POP3 (Post Office Protocol Version 3)? - GeeksforGeeks
Jul 23, 2025 · The POP3 protocol was created by the engineers as a straightforward and efficient email protocol that is used to retrieve emails from the server. Instead of accessing the mailbox …
POP3 Explained [2026] - Mailtrap
Jan 26, 2024 · What is POP3? POP3, or Post Office Protocol version 3, is an Internet standard protocol that retrieves email messages from a server over a TCP/IP connection. It’s the third …
What Is POP3? Understanding Email Retrieval Protocols
POP3 is an abbreviation for Post Office Protocol 3, and it is the third version of a widespread method of receiving email. An email protocol is the programmed system of defined rules that …
Google set to end POP3 support - here's what we know
4 days ago · POP3 phased out – use IMAP to link other accounts to your Gmail mobile app Gmailify also axed, pulling Gmail features like spam protection from third-party email providers …
What Is POP3 (Post Office Protocol version 3)? - phoenixNAP
Dec 2, 2025 · POP3 is a standard application-layer protocol used by email clients to retrieve messages from a remote mail server over a TCP /IP network. Defined in RFC 1939, POP3 …
What Is POP3? Your Simple Guide to the Email Protocol
Just like a postal worker delivers letters to your physical mailbox, POP3 delivers emails from your email provider’s server to an email app on your computer or mobile device.