If you've seen posts like either of the ones below, I hate to break it to you...but they're illegal and kind of dangerous.
Hate to be a Grinch, but both of these posts are illegal and kind of dangerous. It's a pyramid scheme in disguise, according to the Better Business Bureau. "According to the U.S. Postal Inspection Service's gambling and pyramid scheme laws, gift chains like this are illegal and participants could be subject to penalties for mail fraud," the BBB said in a statement.
There are also strict laws about sending alcohol in the mail. The USPS doesn't allow it, and UPS and Fedex require the packages to be clearly labeled that they contain alcohol. If you're sending bottles of wine to strangers you connected with on Facebook, there's also no way to tell that they're legal drinking age. [Source]