For this purpose, you can create an Insight report built on the Ems Mailer (Administration) view:
On Portal go to Insight, click on Actions and select Create Report.
Enter the Name of your report and click OK.
Click ADD and select Column.
From the dropdown select Ems Mailer (Administration) view and add the following columns:
Creation Date And Time.
Person Reference.
To User Email.
Email Subject.
Email Body.
Processed.
If required, you can also add other columns such as Event Type Code, Event Type Name, Hr Event Notification Id, as well as the relevant filters.