You can try : type mine1 in the miror in vertigo
and u gonna be in the mine1 near vertigo. use light spell, and go out the mine.
This works too, but for those visiting this thread with this problem, the best solution is posted above by Kazardin. Just look for the file "keys_3_5.pdf" in your install directory, and this contains all the keys you need to answer the copy protection questions to get out of the first town (and anywhere else they pop up). I believe you can also access this file from the start menu, under GOG and Might and Magic 6-pack.