This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Well, let's ask the most obvious question: is it spam? In other words, what is the subject line, and what does the content look like? If your mail looks like spam, then obviously it's going to be filtered as such.