Try to reply them again from other email or contact them tomorrow morning. May be due to technical errors they won’t receive your reply.
Every time I reply I get the below automated email, I think my emails are getting delivered as I am getting auto reply immediately.
***Le français suit***
***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
If you receive an invitation to use the portal, instructions will be included.
Have questions?
Find answers in the Help Centre:
https://www.canada.ca/en/services/immigration-citizenship.html or by contacting our Client Support Centre by completing the Web Form or dialing 1-888-242-2100, Monday to Friday, 8 a.m. to 4 p.m