Believe me, I understand! I'm a pretty dang unknown writer too! (I realize you were replying to raven but I had to stick my oar in too...)

The good thing about idea 1 is that it's a mechanical approach that could foil spammers with very little ill effect on writers and not much effort on the part of publishers. Maybe more thoughts along those lines will generate other, similar tactics--things that don't cost much in terms of money or effort.