Date to match when sent not imported.
Please match the date when the email was sent not when imported. This makes it harder to search for specific emails.
AdminSupport (Admin, OnePlace Solutions) commented
The default columns present in SharePoint will show the date the file was uploaded, but if the OnePlaceMail Email Columns are present then OnePlaceMail can automatically promote the date properties from the Email(s) being uploaded to their respective columns in SharePoint (Email Date, Date Received, etc). Please see the documentation noted here:
Once this has been setup appropriately you can use all of these fields to search and filter emails.