I can't receive e-mails, as the device showing error message: Incorrect password for Gmail, but I have checked the password and it is correct, What should I do?
iPhone 5, iOS 6.1.2
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iOS: Unable to send or receive Mail
This message may also come up if your account is a POP account:
iOS: 'Mailbox Locked', account is in use on another device, or prompt to re-enter POP3 password