Master sync on galaxy s7 edge

[AC Question]

Master sync in email on Samsung S7 Edgea turned off, my mail does not come through. Very frustrating to turn on, please help

 

[B. Diddy]

Welcome to Android Central! When you swipe down your Quick Settings panel, is the main Auto Sync toggle on?

 

[Carol Britton]

Where is the Quick Settings panel?
I have the same problem.