How true? Virus!
'You should be alert during the next few days. Do not open any message with an attachment entitled 'Postcard from Hallmark', regardless of who sent it to you. It is a virus which opens a postcard image, which 'burns' the whole hard disc C drive of your computer. If you get one, Shut down your computer immediately. This s the worst virus announced by CNN. It has been classified by Microsoft as the most destructive virus ever. dis virus was discovered by McAfee yesterday, and der s no repair yet for this kind of virus. This virus simply destroys the Zero Sector of the Hard Disc, where the vital information is kept...'
http://vil.mcafee.com/newVirus.asp