How do I remove water marks from a bare wood mahogany door.?

Question

These are stains left from water seeping under the door due to a failed weather strip. I would like to remove the stains before I finish the door.

Answer 1

Sand paper.

Answer 2

I've used a mixture of mayonnaise(or salad dressing) and ashes from cigarettes.  Rub it into the spot and leave it for a couple of hours.  If it doesn't remove the mark the 1st time, repeat.  Should work.