If you are using Rackspace Email and are setting up your email software (e.g., Outlook, Mac Mail, Entourage), you must indicate how you want to receive email using an IMAP or POP connection IMAP is quickly becoming the preferred method, since it gives you complete access to all email and all email folders, from multiple computers or mobile devices. Let's take a look below to learn more about the differences between IMAP & POP:
Note: We at Rackspace Strongly recommend using an IMAP connection with Rackspace Email
Note: Microsoft Exchange users access their mailbox data via the Exchange server, rather than using a POP or IMAP connection.
When checking your email with an IMAP connection, you are accessing and managing your email directly from the email server. Some the features included are below:
Backup - Email is automatically backed up every evening; so, if you accidentally delete an email, your email administrator can retrieve it, even up to 14 days later.
Note: By default, email clients store your sent, draft, and trash email on your computer, rather than storing it on the email server (as it should with an IMAP connection). You may need to map your email folders within your email client.
When you check your email with a POP connection, new email messages are downloaded to your computer and are then deleted from the email server. Some the features included are below: