HTML macOS App Link to System Preferences > Profiles
Just a simple method to send a mail (HTML Formatted) or host a webpage for users to click a button and be directed to the Profiles pane in System Preferences
The client will require the small app to be pre-loaded on the machine (literally anyway on the local machine) [UAMDMAlert App] (https://djquazzi.github.io/UAMDMAlert/UAMDMAlert.zip)
It can look like this:
Here people, please remember to approve our MDM. You can do it here : APPROVELINK
NOTE The link is formatted like his: uamdmalert:// (It wont be visable on github) Example: APPROVE!
Simple as that.