Yes Walter ...... The inside of the door has what is called a choke flange joint that the RF energy produced sees as an open circuit, so as long as you keep the area around the inside of the door clean it's safe.
Chris
February 2008
I can answer this question...
Is it safe to use a Microwave when Door enamel is pealing?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix microwaves.