I'm not going to get into mud slinging here...it's not productive. I will say that I have NEVER even bothered to look at whether people are shipping to confirmed addresses. P.O. Boxes are fine within Canada as I use Canada Post, but I request an actual address in the U.S. only because UPS can not ship to a P.O. Box. I also regularly ship to third parties as gifts or to people who would rather receive their items at work.
In 4 years of following this policy I've only ever been scammed once. That's a hell of a lot better a "shrinkage" rate than my sister, the owner of a large B & M retail establishment, has.
Doing business on-line is just that...DOING BUSINESS. If you treat it like a business you'll be much more successful than if you panic over every irritable customer or rip-off artist as though it was some sort of personal affront.
Am I telling you to ship $6000.00 worth of computers to the U.K. based on a money order that your bank is questioning? No! But don't go overboard and jump to the conclusion that 75% of buyers requesting an unconfirmed address or P.O. Box are fraudulent.
JMHO
Monique

Himalayan Salt Lamps - A Guide to Purchasing
Monique
