Some corporations/organizations may issue more than one email address to you as an alternate email address (Email Alias).
For example:
These email alias addresses are not accepted by OACAS Systems.
1. Please request your login email address from your IT department
2. Contact myOACAS Support Centre and select "Reason: Account/Login Issues"
3. In the subject field, please enter “Login Alias Issue and Your Name”
4. In the description, please provide: