

If you switch from POP3 to IMAP, only new messages will move from the server to your devices. Unlike POP3, your messages aren't downloaded to your computer or device, thus you can sync your account on multiple platforms. Your messages are stored on the server, and each time you check your inbox, the email client contacts the server to get your messages. IMAP is a method used to retrieve emails from a mail server. If you're a Verizon migrated user and want to continue using your POP3 configured client, you'll need to update your client with POP3 settings. This article should be followed only if you haven't used POP3 with a 3rd party mail client.
