A system and method for permitting a sender to provide electronic mail (email) to a recipient, said method comprising providing a recipient email address to the sender; requesting of the recipient that the sender be allowed to send email to the recipient; determining whether the request is acceptable...http://www.google.fr/patents/US7657599?utm_source=gb-gplus-shareBrevet US7657599 - Systems and methods for automatically updating electronic mail access lists
Systems and methods for automatically updating electronic mail access lists
