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POP is an abbreviation used in computer networking, specifically in email communication systems. It refers to a standard protocol used by email clients to retrieve messages from a mail server.
POP works by connecting your email client (such as Outlook or Thunderbird) to the email server and downloading all incoming messages to your device. Once downloaded, the emails are typically removed from the server unless the settings allow a copy to be saved. This method allows users to access their emails offline, which is helpful when there’s no internet connection.
There are two main versions of this protocol: POP2 and POP3, with POP3 being the most commonly used today. It supports basic functions like downloading emails, marking them as read, and organizing them locally on the user’s device.
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