Hoax e-email
Some e-mails that you recieve might sound unbelievable, but important at the same time. When this happens there are lots of places on the internet that you can go to that document such e-mails. They investigate the legitimacy of the message and then set up a website that tells you whether or not this is a matter that requires attention or whether you should just delete the message. Two great websites for this are:
http://www.snopes.com/
http://www.hoax-slayer.com/
Once there simply browse through the site picking the categories that you believe best suit your inquiry and read about the message.