All of these have been discussed on SPAM-L: [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask] [log in to unmask]