New answers tagged exchange
I had the same problem after upgrading to iPhone 6sPlus and restoring my latest iCloud backup. I also use a Google for Business email account. I tried deleting and re-adding the account; didn't work. I had to go into the admin console (admin.google.com) under Device Management and add the new phone as an approved device. That fixed the problems ...
I discovered the answer. It turns out Google disabled Exchange for new logins on iOS unless you have a paid business account. So for now my solution is to have the Gmail app installed so I get live notifications and use the default mail app to organize or write email.
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