Google Public DNS Settings fixes iMessage “Not Delivered”
Nothing is more annoying when you get “not delivered” in red below your iMessage. It makes you realize just how reliant we all are on messaging and iMessage in particular. There are two possible solutions to the Not Delivered issue. The error could have to do with your DNS settings or it could just be a short-term glitch with iMessage.
Solution 1 – Turn iMessage off then on again
How to Fix iMessage Not Delivered – To get iMessage working again, go to