Actually, what happens is the virus gets on
somebody's computer that has a virus that has written to Tammy, and the email
pretends to be her. So it actually didn't come from her. If you right-click on
the name of the sender and click properties and then details, you can look down
the list of all the paths where the email came from and usually spy the real
email either in the return path or further down. As a webmaster, I'm constantly
doing that, so that I can inform the real person that they have a
virus.
