In the recent case of Omega World Travel, Inc. v. Mummagraphics, Inc., No. 05-2080, the U.S. Court of Appeals for the Fourth Circuit has ruled in favor of accused spammers, in a decision which, as Professor Goldman states, is likely to “take some wind out of the sails of anti-spam plaintiffs.”

Venkat Balasubramani has a very thorough analysis of the opinion. In a nutshell, the opinion held that Oklahoma’s anti-spam statute was preempted by CAN-SPAM, that certain errors in message headers were “immaterial” and thus not actionable as misleading spam, and that allegations of nominal damages could not support a claim of trespass to chattel.