US Patent 7412487 Method and system for tracking receipt of electronic message

A system and a method for managing electronic contact database are disclosed. A method according to an embodiment comprises the steps of providing a recipient electronic address; providing an electronic mail message; encoding a network address including an indication of a file name and a network file server within the provided electronic mail message, the encoded network address indicative of a unique recipient and indicative of the network file server and a file name from which to retrieve data from the network file server; and, transmitting the electronic mail message to the provided recipient electronic address. A mail server supports the methods for managing electronic contact database.