Such an address may not be deliverable. This attribute contains a human readable string providing information about the individual or service that is capable of translating the login-token. Other attributes Other attributes MAY be used to provide additional information. There is no requirement to register attributes as the Originator-Info header is not intended for automated processing. However, it contains no authenticated information and is completely susceptible to spoofing by an intelligent sender or intervening host.
Some sites have concerns about revealing the names of internal servers and login identities.
This MAY also be used to provide language labeling and continuations.