The PPR email to start like this :
The processing of your application for permanent residence in Canada is almost complete. You must complete the following steps
within 30 days in order for our office to issue your Confirmation of Permanent Residence and, if applicable, your permanent residence visa. If for any reason you are not able to meet this deadline, please inform our Hong Kong office
immediately via the IRCC Web Form:
http://www.cic.gc.ca/english/contacts/web-form.asp with details concerning your situation.
Did you mail out your passport, did you receive your passport yet. The email just the request your passport... after you receive the passport, there is a landing paper for you. I receive a mail of the original copy of ARC .. but when you land in Canada, it will be nice if you have a copy of ARC approval in case they ask for it.