Is there a tool to track email communication between reps and clients daily?

I'm currently exploring options to gain a detailed insight into our email interactions, specifically the number of emails sent and received by each of my representatives from individual customers or clients on a daily basis.

At the moment, obtaining this specific information is quite challenging. I am aiming to determine if certain clients are receiving an excessive amount of emails, or possibly too few. It would also be beneficial to see if some representatives are engaging more with particular accounts compared to others. This type of data would greatly aid in account management, ensuring a consistent client experience, and potentially managing client workload effectively.

I am curious if there is a tool available, even a basic one, that can offer this level of breakdown. Our current CRM system does not have sophisticated reporting capabilities, so I am searching for practical solutions. Have any of you discovered an effective method to monitor email volume on a per-client, per-representative, per-day basis? Any suggestions or insights you can provide would be highly valued!