What is POP3 Mail Protocol? – POP3 (Post Office Protocol 3) is used to receive a mail protocol from a remote server. The POP3 protocol is version 3 of the POP email protocol.
What is POP3 Mail Protocol?

What is POP3 Mail Protocol?

What is POP3 Mail Protocol?

POP3 allows email to be received from an Email server. Once POP3 is downloaded to an email computer, Email is deleted from the server. As a result, downloaded Emails are stored in the computer’s storage. Therefore, a large storage space is needed.

POP3 is not recommended for small scale businesses because of the high storage requirements. The POP3 protocol is usually a useful protocol for ISPs.

When the user sends an Email, the SMTP protocol is used. Also, the connection between Email servers is controlled by SMTP. If a user wants to read the received e-mail, e-mail with POP3 will be downloaded. As a result, POP3 is an Email retrieval protocol.

POP3 uses the TCP port 110 by default. The TCP 995 port can also be used for email security. Also, POP3 is defined in RFC 1939.

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How POP3 Works?

If we need to answer the question how POP3 works, it works by contacting POP3 Email server and downloading all new Emails. After all Emails are received with POP3, Emails are deleted from the server.

In short, after email is downloaded, it can only be accessed from the downloaded computer. If you access your Email account from a different device, you will not be able to see the previous downloaded Emails. Because POP3 does not work synchronously.

  Final Word

What is POP3 Mail Protocol? – In this article, we have briefly talked about POP3. IMAP is an Email service, and POP3 is an Email service. It is recommended to use IMAP protocol instead of POP3 because the storage capacity of the computer to be used POP3 will be very serious.

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