I've cloned my site so that I can experiment with updates and changes on a test site before making those changes to my live site. Since all my user data/settings are now the same in the test site as in the live site, users are set to receive notifications by email of many kinds of site activity. I'm concerned about accidentally sending a notification to someone while I'm experimenting on the test site. Don't want that to happen.
So is there a way to turn off email notifications for everyone? Or can I only do it user by user?
updated by @lesrinchen: 01/07/17 08:57:28PM