See
http://news.bbc.co.uk/2/h...logy/3325829.stm Bush signs first US anti-spam law ...
However, it is not likely to do much since the law allows unsolicited emails as long as there is a way to unsubscribe from their lists. Previously these
"unsubscribe" links were used as a way of finding active emails. That and most mass-mailers won't follow the law anyway.