I have talked with apple support for hours with no...
I have talked with apple support for hours with no solution. I bought 2 new iphone 11 pros (at $1,349 each) for my husband and me. They never let us know on either device when a new email comes in with a tone or badge until we open the app and then it loads several emails that we have received. It acts like no email is getting pushed or fetched like it used to previously, making the iphone unreliable and useless to keep on top of new emails. I've already missed responding to important emails because I didn't know they came in. It now started happening with our 2 old iphone 6's. The 11's are on ios 13.3.1 and the 6's are on 12.4.5. Every other app alerts me/us to new incoming messages whether on whatsapp, message, air bnb, uber, facebook messenger...you name it, they all work except the mail app.