What is the best way to address this eror? Event Type: Error Event Source: MSExchangeTransport Event Category: SMTP Protocol Event ID: 7004 Date: 4/20/2006 Time: 2:23:34 PM User: N/A Computer: S4 Description: This is an SMTP protocol error log for virtual server ID 1, connection #259. The remote host "70.84.238.122", responded to the SMTP command "rcpt" with "550-"The recipient cannot be verified. Please check all recipients of this 550 message to verify they are valid." ". The full command sent was "RCPT TO: ". This will probably cause the connection to fail.
