Internal Email Metrics

We have a couple internal emails setup. One is to notify a CSM they have past due CTAs. I noticed when we send internal emails, we don't get the same level of reporting. 

I'd like to be able to tell if CSMs have opened the email. This will help us determine how CSMs are engaging with the emails and Gainsight. 

Here is a screenshot of what I see for one of our internal emails when I click on "Opened":

We also have an email that does not go to someone who is either a contact in SFDC or the CSM, but another team who does not really have a field in SFDC or GS. Instead, we pull the email address from an MDA subject area. For these, we have zero ability to tell who did what with the email. 

Here is a screenshot of an example. We see things have been sent and opened:

But when you click on opened, you see this: