This is unsolicited email (example).

[NC...@NewAmerica.org]

To protect yourself against unsolicited email,
you can permanently REMOVE your email address 
from all mailing lists,by click of the button.
(This is the latest in security technology 
available from many ISPs free of charge).

If you do that,this is the last unsolicited 
email you would ever receive. Details at: 
("www. syndicate") HTTP://NewAmerica.org/