38th Parliament — 1st Session (Oct. 4, 2004 — Nov. 29, 2005) S - 15 An Act to prevent unsolicited messages on the Internet (Spam Control Act) (slaw.ca)
New version, released in the beginning of spring 2013 is remarkable for its optimized performance and increased spam control as well as for huge variety of new features, so it's hard to find better solution for your startup. (skadate.com)
I would ban Spam, and I would get it done faster than our federal government who have let spam control legislation sit in since the first introduction of Senate Bill S - 23 on September 17, 2003. (slaw.ca)