Why won't my LG G4 5.0.1 let me sync my emails?

[AC Question]

LG G4 5.0.1 won't let me sync my emails

Using yahoo/att email

 

[B. Diddy]

Re: LG G4 5.0.1 won't let me sync my emails

Welcome to Android Central! Open your stock Email app, tap Menu>Settings, and select one of those accounts. Is it set to sync automatically or manually?

You can also try removing the account, then adding it back to the Email app.