If you ask me, I think Elvis said it best about such messages: Return to sender, address unknown, no such number, no such zone.

FORBES: Elvis Presley Had It Right When It Came To Insider Trading

The changes affect not only Delaware residents, but also any shareholder of a Delaware-incorporated company whose current address is unknown to the issuer or is a foreign address, including U.S. military personnel stationed abroad.

WSJ: State Governments Eye 'Inactive' Broker Accounts