Just FYI, there is a computer virus that's being sent. It'll say "you've received a postcard from a family member", etc etc. The first thing that tipped me off is that when I usually get e-cards, they will usually put the name of the person who sent it

Here's a link that talks about the virus:
http://us.mcafee.com/virusInfo/default.asp?id=description&virus_k=142621