I just upgraded from an original iPhone to a 3Gs. Everything has been going smooth except a couple of my email accounts are not working. I'm getting a message that my username or password is incorrect however it is setup the same as my prior iPhone. Other message when I try to send a message from these accounts says that there is no password even though I have entered it in on the mail setup screen for these accounts. It is acting as if there is no password entered. Thoughts?