tor legal help in canada

[krishna e bera]

i run Tor exit node cyblings01 which is in Canada.
i got a notice of copyright infringement from my ISP Rogers:
http://cyblings.homelinux.net/tor/rogers-abuse-email.txt
i have drafted a reply as follows:
http://pastebin.ca/1001809
any comments appreciated before i send final copy, tomorrow evening.

also does anyone have relevant legal tips and templates for Tor operators in Canada?