Here's a new term I hadn't heard before: "Backscattering". That's what the pros call it when you get mail delivery failure messages as a result of your email address being used in spam's "From:" header...

PC World, May 2, 2008: 100 E-mail Bouncebacks? You've Been Backscattered.

Bastards. Someone remind me, spammers have no human rights protection, yes? They're clearly enemy combatants, just waiting for their own comfy cot at Gitmo.