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What’s the difference between POP and IMAP email?

POP (generallly meaning POP3) and IMAP are simply two kinds of email protocols. On our servers, every email account acts as both POP3 and IMAP.

With POP3, your email is pulled off our server and onto the computer you're using to check email. There's no synchronizing, just copying of email files from one place to another. In most email programs (such as Apple Mail, Microsoft Outlook, Thunderbird, etc.), you can choose to leave a copy of your emails on the server for a set period of time (depending on your program), or you can delete messages from the server when you download them. POP3 email is perhaps the most popular of the two and is a good choice if you check your email from one computer a vast majority of the time.

With IMAP your email program is constantly connected to our server and doesn't make local copies of your inbox messages until you move them to a different folder in your email program. It also keeps your messages synchronized. So if you open a new email message on one computer, at your other computer, the message will already be marked as read. IMAP is a great option if you access your email from different computers (such as a desktop computer and a laptop) since it keeps all the messages in one place.

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