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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. Today, POP version 3 (POP3) is the most commonly used version. Together with IMAP, it is one of the most common protocols for email retrieval.
Post Office Protocol. In computing, the Post Office Protocol version 3 ( POP3) is an application-layer Internet standard protocol used by local e-mail clients to get e-mail from a remote mail server over a TCP/IP connection.
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POPmail was an early e-mail client written at the University of Minnesota. [1] The original version was a Hypercard stack that acted as a Post Office Protocol client. Later versions of POPmail were written as normal Macintosh applications, and a PC version of POPmail was also released. [citation needed] POPmail and Eudora were both instrumental ...
Virtually all modern e-mail clients and servers support IMAP, which along with the earlier POP3 (Post Office Protocol) are the two most prevalent standard protocols for email retrieval. Many webmail service providers such as Gmail and Outlook.com also provide support for both IMAP and POP3.
Updated on January 25, 2021. Post Office Protocol (POP) is an internet standard that makes it possible to download email messages from an email server to a computer. POP has been updated twice since its origin in 1984 as POP1. Post Office Protocol Version 2 (POP2) was published in 1985.
The Post Office Protocol 3 (POP3) is a mail access protocol used by a client application to read messages from the mail server. Received messages are often deleted from the server . POP supports simple download-and-delete requirements for access to remote mailboxes (termed maildrop in the POP RFC's). [ 71 ]
POP3 is a one-way client-server protocol in which email is received and held on the email server. The "3" refers to the third version of the original POP protocol. A recipient or their email client can download mail periodically from the server using POP3.
