The old Domain Registry of Canada that would send out printed mail “Domain Renewals” now appears to be operating under a new domain and I guess has gotten lazy or is working around the instable Canada Post delivery issues, and has resorted to just emailing out their scam renewals. If you get one of these, just delete it. Login to your actual domain registrar if it isn’t managed by your IT partner, make sure the domain is locked, and your renewal information is up to date.
They used to send something like this:
Nothing new here, they have been getting away with this and working around regulatory bodies for 20+ years. https://www.theregister.com/2014/07/20/brandon_gray_aka_namejuice_suspended_by_icann