Mom having trouble after iOS 8 update

My Mom can't get e-mail from her Verizon e-mail account, but all other accounts work fine. Is there a fix, and is anyone else having this trouble. My Mom, who knows pretty much nothing about technology found a temporary fix that Verizon couldn't find. But, it's temporary. Can someone help?

points out ios updates are designed to slow down devices and force users to buy newer generations.

For once I agree with you Vultan