Master sync turned off?

I can't believe that simple sync button was causing all of my problems for the last 2 weeks.
Thanks for the fix, it now works and my email is back to normal.
 
Well, I did resolve for myself, so I'll try to explain what I did (forgive the non-technical terms as I don't know what to call some things!)
From the home scree, I dragged my finger down from the top of the screen to access the notifications screen. On that screen, in the upper right, is an icon that looked like a chess board and took me to a screen of icons for various functions (WiFi, GPS, Sound, etc.) One of those functions is "Sync" and somehow it was turned off. When I turned that on, my e-mail sync started working again.

No idea how it got turned off but that fixed my problem of the "Master Sync" being tured off!

Thank you for the fix!!!! :)
 
Thanks TAYLORRG, before coming across your post I was almost tearing my hair out. Your instructions were perfect and easily understood. Email notifications now working as good as ever.