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What is the difference between IMAP and POP3 E-mail settings?

Posted by Administrator - 05/30/2016, 3:08 PM

When I set up my e-mail, I have a choice between IMAP and POP3. What is the difference?
  • Administrator

    05/30/2016, 3:08 PM

    IMAP and POP3 are methods used by your computer to access e-mail messages from a remote server. If you are using Savio Designs' recommended hosting, 1&1 e-mail accounts, they are compatible with both IMAP and POP3.

    IMAP
    IMAP (Internet Message Access Protocol) is an advanced protocol for receiving e-mail. It is a method of accessing e-mail messages which are stored on a mail server.

    The main advantage of IMAP over POP3 is the ability to keep the original e-mail stored on the mail server and the ability to access the same account from multiple locations. Unlike POP3 where e-mail is downloaded to the computer or device checking for mail and completely removed from the mail server, IMAP simply downloads a copy of the e-mail. This is much more convenient as the e-mail account can be set up on multiple computers and devices using IMAP and the original e-mail will always remain on the mail server.

    In cases where a mobile phone or personal computer was configured to be the primary means of checking e-mail and malfunctions, is lost, stolen, or totally inoperable, the e-mails will not be lost. Set up the account using IMAP on another computer, device and find that all e-mails are still intact!

    POP3
    POP3 stands for Post Office Protocol version 3. When an e-mail is sent to your address, it is stored on the mail server until it is downloaded via your e-mail client (Outlook, Netscape mail, your mobile, etc.) using POP3. After the e-mail has been downloaded to your client, it is removed from the server altogether.

    Simply, this means if one were to set up an e-mail account on a mobile phone as POP3, the phone would download all e-mails, removing them from the server. If one were to then check the webmail or home computer for the same e-mail account, there would be no mails viewable as they have already been download by the mobile phone.



    This article was slightly adapted from 1&1.com's Help Center.
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