At the end of 1st portal email, it says: Virtual Landing Unit, Operations Support Centre, Centralized NetworK, Immigration, Refugee and Citizenship Canada
IRCC.ClientPortal-PortailClient.IRCC@cic.gc.ca
Updates
VO: Virtual Landing Unit
1st portal email July 11 and replied same day
2nd email July 12 and uploaded photo same day
eCopr July 15
Waiting for PR card...
Good luck for those who are still waiting