Why is there mold in the rubber folds of our freezer door?

You apparently have some form of water leaking onto your seals and the mold's growth is a result. Or you have a persistent type of mold which isn't being killed by the product(s) which you are using to do so. read more

If your freezer is still under warranty, I would suggest calling your service center and having them replace the door seal. That way, if there are any additional problems they can point them out to you and you may be able to get them repaired for free or low cost. read more

Mold spreads by airborne spores, so moldy food in the fridge may eventually lead to mold growing on the appliance itself. Clean mold from the inside of the refrigerator by scrubbing it with a solution of 1 tablespoon of baking soda mixed with 1 quart of water and rinsing with plain water. read more

The mold is coming from moisture, and the moisture is probably coming because the seal is bad and leaking in warm air from the outside. The seal needs replaced. It will save Energy and stop the mold. read more