Spam is a topic for a different forum, but falsifying business records by forging mail headers is a more general network issue. http://www.oag.state.ny.us/press/2004/apr/apr1b_04.html Carmack was found guilty of stealing the identity of two Buffalo-area residents to open Internet access accounts with EarthLink, an Internet Service Provider (ISP). He was also found guilty of falsifying business records of EarthLink, when he forged the headers of email sent from the EarthLink accounts.