IMAP Misconceptions
As long as you have your client configured to cache a local copy of all messages and to delete messages on the server when you delete them locally, you maintain just as much control over your email as you do with POP. Most of the old assumptions that led users to favor POP — such as the expectation that a person will use a single computer for email most of the time, and the belief that online storage is expensive — are no longer valid in today’s world.