VIRUS WARNING !
snopes.com: UPS/FedEx Delivery Failure -The newest virus circulating is the “UPS Delivery Failure”. You will receive an email from UPS Packet Service along with a packet number. NOTE: The word packet is mis-spelled on this line. It will say that they were unable to deliver a package sent to you on such and such a date. It then asks you to print out the invoice copy attached.
DO NOT TRY TO PRINT THIS. IT LAUNCHES THE VIRUS!