The mail tracking logs determine the status of emails sent through ProtectLink Gateway Email Protection. However, there are instances wherein there are no results returned when searching through the mail tracking logs. The possible reasons are the following:
The email did not reach ProtectLink Gateway Email Protection.
The IP address of the sending mail transfer agent (MTA) is listed in the Email Reputation Services (ERS) databases, and the searched recipient is not the first recipient during the SMTP handshake.