I understand that you are trying to log into your college portal and are receiving the following error:
AADSTS50011: The reply URL specified in the request does not match the reply URLs configured for the application: 'https://my.post.edu/CMCPortal/'.
This error means that the administrator at your IT department who set up the Post University portal has not correctly configured the application for your student portal. They need to ensure that the Reply URL/Redirect URI in the app registration for the portal matches exactly what is configured in the application code.
It looks like the Information Technology office information is available on the Contact page for your university:
888-458-POST (7678)
ict@post.edu
I would recommend reaching out to the technical contact at Post University and reporting this problem to them as this needs to be fixed from the admin side.
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