We don't support the Canada Post shipping gateway. You could use the USPS shipping gateway to ship from US to Canada.
let me know if i misunderstood your question.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.