CPC-CTD-Ottawa@cic.gc.ca is the email address. I would suggest you to call them and ask for the status.
For your email, this might be the reply.
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Your passport has been received at our office and will be returned to you shortly.
Your documents will be returned using the provided Xpresspost envelope. If you have followed the instructions on the website and kept note of the tracking number, you should be able to follow its delivery on the Canada Post website.
We thank you for your patience.
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