Can users with email authentication and SSO authentication delete email authentication in Zoom App?

If you enable ForceRedirect, you can prohibit sign in by email authentication.

However, strictly speaking, there is no way to “delete email authentication” (you can request it from Zoom).

If you want to delete the mail certification,

You need to delete the target user once and sign up again with SSO.

In that case, even with the same user, the new will be regulations creating the same state.