Sending drugs through the mail can't last forever, it just can't. Eventually more packs will be caught then ones making it through. This takes us back to the original idea in the heroin store thread of some type of geocashing delivery system where vendors service their local areas. Going back to IRL dealers is just not an option and I'm pretty sure everyone will agree on that.
Let's just have an intelligent discussion about this and throw some ideas out ..
People have been sending drugs through the mail since before online markets.