Message: This message is to help others who are about to be scammed. I just had a sale on Amazon.com moments ago -- someone tried to buy some of my products. As someone who takes pride on quick fulfillment and customer service, I naturally I try to fulfill each of my orders lightening fast. So, moving on, I proceeded to purchase postage via my UPS Business account along with delivery confirmation and tracking. So, as I attempted to enter all of the data via UPS, the extension (5 digits) would n