Liquor sales and distribution are pretty tightly regulated in Canada. Technically, it isn't even supposed to cross provincial borders except to & from licensed resellers. I doubt you will find a legitimate shipper of Canadian liquor for private sale to the US.

Recently a bill went before senate to allow wine to be shipped to individuals across provincial borders. I don't recall hearing if the bill passed yet. I recall it looked promissing. Unfortunately, the back bencher who submitted the bill only worded it for wine. I guess that is all he drinks?
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With great power comes Awesome irresponsibility.