That's true! I had considered those to be scams rather than "normal" spam. When I look at what my filter catches, it broadly falls into three categories: scams,

That's true! I had considered those to be scams rather than "normal" spam. When I look at what my filter catches, it broadly falls into three categories: scams, viagra/dating/sex-related products, and every day products ("buy this great ladder for your garage"). Too bad you usually can't analyze how many clicks and sales they generate.