I received a surprising scammy email today, and I ended up learning some things about email security as a result. Here’s the email: I was about to mark it as spam in Gmail and move on, but I noticed a couple things that intrigued me. At first glance, this appeared to be a legitimate PayPal invoice email. It looked like someone set their seller name to be “Don’t recognize the seller?Quickly let us know +1(888) XXX-XXXX”, but with non-ASCII numerals, probably to avoid some automated spa...