Anchor lets you configure various ways to share a direct link to a file or folder with internal or external users. (See full instructions on sharing links here:)
When you create a shared file or folder for the first time, you can enable an email setting which notifies users of downloads:
Important note: The person who creates the share is the only one who can change or remove download email notifications.
To turn off download email notifications later, the person who created the share must
(1) go to the Shares tab
(2) select Items Shared by You and then
(3) select the ‘people icon’ on the desired share:
Finally, select Share options and uncheck the Notify on Download? box: