ID Vault with more organizations

What about implementing more then one organization in an ID Vault.

Is this really possible and if yes, on which way

Subject: Organizations - yes. Mail domains - no

More details in the N/D wiki:

http://www-10.lotus.com/ldd/dominowiki.nsf/dx/12162008022843PMNEKQT7.htm

http://www-10.lotus.com/ldd/dominowiki.nsf/dx/Adding_an_ID_vault_password_resetter_from_a_different_organization

http://www-10.lotus.com/ldd/dominowiki.nsf/dx/ibms-deployment-of-the-notes-id-vault-in-the-developer-domain