The "From" textbox field from "Compose Email" is editable by default and this could be a potential bug as any users can change the "From" text field and send the fake emails. Usermin also doesn't authenticate it and send the emails.
How do we make this field read-only? Or even hidden if possible?
Here is a screencast: https://www.useloom.com/share/4a63da0c79f24897b8eef3526a8e18e4