What are the daily system generated emails?

The daily system generated emails are: daily prospect activity emails (for all prospects), daily prospect activity emails (for my prospects), daily visitor activity emails, and daily prospect assignment emails. These are the emails that Marketing Cloud Account Engagement sends to users based on their preferences, which provide a summary of the activities and actions of prospects and visitors on a daily basis. Daily prospect activity emails (for all prospects) show the activities of all prospects in your Marketing Cloud Account Engagement account. Daily prospect activity emails (for my prospects) show the activities of the prospects that are assigned to you. Daily visitor activity emails show the activities of the anonymous visitors on your website. Daily prospect assignment emails show the prospects that have been assigned to you or to other users910 References: 9: Auto generated email – How to guide10: Customizing the System Generated Emails