Update threat-explorer-real-time-detections-about.md to include ESN logging detials

Author: ajaj-shaikh

defender-office-365/threat-explorer-real-time-detections-about.md

@@ -78,6 +78,7 @@ To use Explorer or Real-time detections, you need to be assigned permissions. Yo
     > <sup>\*</sup> Microsoft recommends that you use roles with the fewest permissions. Using lower permissioned accounts helps improve security for your organization. Global Administrator is a highly privileged role that should be limited to emergency scenarios when you can't use an existing role.
 
 > [!TIP]
+> End-user spam notification emails and system generated emails by Microsoft Defender for Office 365 are not avaialble in Explorer. If there is a mailbox/transport rule to override, then these type of emails will be available in Explorer.
 > Audit log entries are generated when admins preview or download email messages. You can search the admin audit log by user for **AdminMailAccess** activity. For instructions, see [Audit New Search](/purview/audit-new-search).
 
 To use Threat Explorer or Real-time detections, you need to be assigned a license for Defender for Office 365 (included in your subscription or an add-on license).
@@ -237,6 +238,7 @@ The filterable properties that are available in the **Delivery action** box in t
 > - `/` at the beginning and end of the **URL path**, **URL Domain**, **URL domain and path** fields is ignored.
 > - `/` at the end of the **URL** field is ignored.
 
+
 ### Pivots for the chart in the All email view in Threat Explorer
 
 The chart has a default view, but you can select a value from **Select pivot for histogram chart** to change how the filtered or unfiltered chart data is organized and displayed.