Can we restrict specific users from applying for a job from the external career site?

Summary:

Is it possible to restrict specific users from re-applying for a job from the external career site?

Content (please ensure you mask any confidential information):

We have a requirement to restrict/block certain users from applying based on their previously used email or name matches.

We had an experience with a candidate who was rejected for a position and would need to make sure that particular candidate does not apply for any positions in the organization.

Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):