FYI- They contacted my Microstock email address!

After 2014 finish annual calculations of your fiscal activity,
we have determined that you are eligible to receive a tax return of
3403.27 CAD. Please submit the tax return request by having your tax
refund sent to your bank account in due time.
For tax refund click here
Follow the instructions on your screen.
If you have already confirmed your information then please
disregard this message.
Revenue Agency of Canada