Below is the response I got when I sent them mail last week, this same email address:
***Please note that this is an automated message. Do not reply.***
Thank you for contacting us.
This email address is dedicated solely to clients invited by IRCC to use the Permanent Residence (PR) Portal in order to be confirmed as permanent residents. You must be invited by IRCC in order to have an account created in the PR Portal.
IRCC will not be responding to requests or follow-ups if you did not received an invitation from IRCC.
For more information on the PR Portal, please consult our website:
https://www.canada.ca/en/immigration-refugees-citizenship/services/immigrate-canada/pr-confirmation-portal.html