You probably clicked "yes" when it asked you "subscribe to this topic". The "unsubscribe" function doesn't really work in my experience - it just seems to remove you from the (infrequent) general mail, not all questions, or notifications on your own questions.
Look above this question for the "topics" section and you'll get a list of all available topics, with the ones you've watched listed first. Click on all the "unwatch" options next to them, and that should stop most of it.
You also watch all your own questions and any you've deliberately watched so when you get one of those, go to the question and click "unwatch" at the top right.
I'd be tempted to raise a questions issue about "unsubscribe" not working...
We're looking for participants for another workshop at Atlassian! We need Jira admins who have interesting custom workflows, issue views, or boards. Think you have a story to sh...
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