iPad won't send messages on IMessage My iPad will not send messages or receive I'm connected to wifi I can send them but the send bar at the top will go almost all the way then stop and say about thirty seconds later not delivered
Internet traffic moves through a firewall based on service-identification numbers that are referred to as ports. Certain ports must be open for FaceTime and iMessage to work.
Here is a link where you can find the ports to open.