Many thanks to all who took the time and trouble to help this technophobe out - looks like the easiest permanent solution is another ntl (virgin meeja) address, but the "one time use" addresses appeal for other uses!
P Nav - How did you guess I was looking for a used car? No - really - I am, and I'm getting so fed up with spam email, car dealers are even dodgy in cyberspace (I suppose this should not have come as a surprise

).
VMT
HILF