Alternatively, the list view may display a column for each of Report Count (the number of reports in the cluster, which opens the cluster or report when clicked), From (the email address of the sender), Subject (the subject of the email, which opens the cluster or report when clicked), Last Received (the date and time the message was received), Last Reported (the most recent date and time the email was reported, which opens the cluster or report when clicked), Reporter Reputation (the reputation of the reporter who made the report, which opens the cluster or report when clicked), Match Priority (the priority of the highest-prioritized rule the report or cluster matched, which opens the cluster or report when clicked), Rule Matches (the rule names or numbers which match, where hovering over the rule shows the detail of the rule and clicking on the rule filters the administrator inbox 1500 on that rule name), Integration Results (the highest threat level of the report or cluster as assessed by a configuration integration, where hovering over displays the Threat Level, Source, and Item information and clicking an Item opens the detailed results for that item), Links (the number of IP addresses found in the report, where hovering over shows the details of the IP addresses and host names that point to them), and Attachments (the number of attachments in the report, where hovering over displays details of the attachments). The report, or message summary, which is opened upon clicking any of the above referenced columns is further illustrated in