Which e-mail did you send your e-mail to?Here's the timeline for mine.
March 20th - Passport was delivered to Ottawa
May 11th - Sent an email to them explaining I was worried
May 11th - I got a response saying my passport was sent to the printing room on May 5th
May 13th - I got an email on a notification on my application account
May 14th - Return Tracker activated
Copy od my passport was recieved on March 11 and no update since.