Why is it that after I changed my Yahoo mail password my mail won't sync to my HTC ONE?

[AC Question]

changed yahoo mail password now my mail won't sync to my HTC ONE

It was fine until I changed my password after the yahoo mail problem yesterday

 

[cpaight]

Re: changed yahoo mail password now my mail won't sync to my HTC ONE

Did you change the password from a computer as opposed to from your phone? Try logging out of your account from the app, then sign in with the new password. The app is probably trying to access your account with the old password and therefore not syncing.