Automattic is behind Wordpress and Akismet. Wordpress is a great application and is free. But Akismet is a bad move and you have to pay for it. Who knows and mind can think whatever. Why Wordpress can not the spam that Akismet stops.

http://www.automattic.com

Let the spam go to spam mail, and forget about Akismet. The problem is if you had Akismet and you stopped paying Akismet, your received spam will be trippled in numbers.