Canada charges duties on any import into the country over $20.
Here's the duties calculator here:
Here's a list of countries and when they charge duties/taxes upon import:
Like all your orders from us in the past, we're happy to refund the paid duties/taxes if you're not willing to pay them. The only other way we could avoid this would be to charge all Canadians duties/taxes on the orders on our website and foward that money to Canada, so they'll allow the packages through, adding cost to the order regardless.
I've seen your support ticket, and your email address isn't working. You mention you use some email-anonymizer or something and this is causing the emails to bounce. We've replied to every single email you've set us, but you're unable to receive them. There's not much else we can do on our side if we're unable to contact you.