This article describes a scenario when users of the client net portal are unable to access due to 2FA.
Email Security.cloud
Access to the portal is enforced to use only 2FA.
In order to allow the users to access the client net portal:
1 - The 2 factor authentication VIP credential must be installed for the impacted user.
2 - Generate the VIP credential ID of the Application.
3 - Map the VIP credential ID for the user trying to access the client net portal under : Dashboard > Administration > User Management
4 - Save and Exit.