The email setup tab won't do anything when I click on it, why?

i changed my gmail password because of security issues so i stopped receiving emails from gmail. so i changed it back to the original password and nothing. also now im not getting yahoo emails. i was wondering if there was a way i could delete anything with gmail or yahoo on my phone then reset the emails?

Go into settings, accounts, delete the ones you're having some problems with and set them up again. They'll pull in your emails and contacts over next few hrs.

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