Patent ID: 7673058

Claim:
A networked computer comprising an unsolicited message rejecting communications processor connected between message transfer agents MTA_ 0 with an Internet address IP_ 0 , a from-address A_ 0 , a declared domain D_ 0 , and a real domain DD_ 0 , and MTA_ 1 with an Internet address IP_ 1 , a domain D_ 1 , and a to-address A_ 1 comprising: a) monitoring means for monitoring the communications between MTA_ 0 and MTA_ 1 ; b) determining means for determining if the communications contains a message that is unsolicited; c) intercepting means for intercepting a .\r\n end-of-message indicator reply from MTA_ 0 , forcing MTA_ 0 to QUIT its connection with the unsolicited message rejecting communications processor by sending an error reply to MTA_ 0 if the message is determined to be unsolicited; wherein the unsolicited message rejecting communications processor does not intercept communications between MTA_ 0 and MTA_ 1 before a .\r\n end-of-message indicator reply from MTA_ 0 is received by the unsolicited message rejecting communications processor.