you would need dynamic soft shadow lighting to do what you are trying to do - and currently is not avaslible to FPSC and the latest update.
if you want to block light with a door - it needs to be a fake door, but in turn its a fake door and you would not be able to open it.
and normal doors that do open are dynamic so when the Lights are being maped they map as if the door is not even there, my suggestion is to place the light map further away and making sure the radious of the light you are placing is not touching that door and it should solve the issue. Somthing we all need to work around with FPSC.
I hope this helps.
PAIN!
Me = noob
and i love The TGC : )