The launch of Canada's anti-spam law generated considerable criticism suggesting that the law was unenforceable and would not have a discernible impact on spam. Recent enforcement actions by the CRTC and the Competition Bureau, which led to millions on fines, demonstrates that the law can be used to target businesses that run afoul of the law. Now a new study from Cloudmark, a network security firm, concludes that there was a significant drop in spam originating from Canada once the law took effect. Moreover, Canadians received considerably less email after CASL was implemented. Cloudmark states: