ClrStream Class of Services
| clrstreamusercos | A user with the clrstreamusercos class of service is a user who has access to all the secondary mailbox. This is the class of service to be used when adding users to your domain after the domain is live on ClrStream. |
| clrstreamadmincos | A user with clrstreamadmincos class of service has admin privileges and will have access to the Admin Panel in addition to all the secondary mailbox. This class of service should be used when adding an admin user after the domain is live on ClrStream. |
| catchall_cos | This is a system value and should not be used. |
| system_default_users | This is a system value and should not be used. |