K9 email client. This dog will fetch your email no matter is IMAP or POP3. Another thing, this dog has being around since the beginning of Android time, but this old dogs is constantly learning new tricks; the k9 team constantly updates this app, so you don't have to worry about this dog getting abandon. However, it's going to cost you about $4 to get this dog, but what do you expect from a through bred? If you can't afford this dog, you can also try aqua mail, never try it, but I heard it's okay.
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