Mail won't work after Migration Assistant from old to new iMac

Did a Migration Assistant transfer of everything from a 2007 Intel Core Duo 19" iMac to a 2012 i5 27" iMac. Everything worked fine EXCEPT Mail. It popped up a dialog box for each email account asking for the passwords. When passwords were entered was told each one was wrong or didn't match. It still works fine on the old iMac with the same passwords as entered and turned down on the i5. Why is this and how can it be fixed? The old iMac has been sold so I HAVE to get the i5 27" working. Any ideas or help that can be given is appreciated.

iMac, OS X El Capitan (10.11.2)

Posted on Dec 25, 2015 1:32 PM

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Mail won't work after Migration Assistant from old to new iMac

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