Maybe you have tiny bubbles......... Liquid soap will cause this and the bubbles will go up and over the door seal. After you make sure the seals are clean and seated properly, open the door a few minutes after the wash cycle starts. You should maybe see a small amount of natural bubbles in the corners but it should be minimal. If there is a lot then you probably have soap problems. Did you change soap recently? If so change back. Stop prewashing with dishsoap unless you actually get 100 % of the soap off the dishes. Check Jet-Dry dispenser make sure someone did not put liquid soap in it.