Could you elaborate more on what those email notifications are about? This is because it seems that the 'Notify Watchers' checkbox only affects edits on Confluence pages.
However, the following changes will still notify the watchers, as mentioned in Watching Pages, Spaces and Blogs :
I suspect that it was one of these actions that triggered the notifications.
More and more people are building their careers with Atlassian, and we want you to be at the front of this wave! Important Dates Start the Certification Prep Course by 2 April 2019 Take your e...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs