I thought I'd share this. I sent an email to CEM yesterday morning using that email [RE-MANIL.IMMIGRATION@international.gc.ca], and surprisingly, they did respond late afternoon yesterday.
Since my husband didn't receive any letter/email for his SA, I was getting worried about not receiving the PPR either now that a lot from Sept and Oct applicants are getting theirs already. So I sent them an email, I gave them my phone number and ask them to ensure that they have our correct email address too. I do not know my file number btw. When my husband called CIC, they didn't give it to him either. So I just included our names, dob, address and my husband's UCI.
Here's what I got from them:
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Dear Sir/Madam,
We received your email regarding file number Fxxxxxxxx on 14 May 2013. We note that the file was received on 25 September 2012.
If you have sent us this email to report important changes regarding your application, we will add this information to your file. This email serves as your confirmation of receipt for these documents. Please be assured that this information will be brought to the attention of the appropriate authority.
We note that this file is currently within processing standards. We do not respond to status enquiries if the application is within normal processing times.
Thank you.
Visa Section
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I thought I just got a generic auto response from them, but then I realized, they put our file number on their response, as well as the app received date. I did not ask them anything about the status of our application, and so I kinda felt relieved knowing that they did have our file and probably checked on it too as they mentioned about our application being still within the turnaround time. I just hope that they'd notice that I should be due for a PPR anytime soon too