By default, users will get email updates for issue activity when:
To disable this you need to remove Current Assignee value from Issue update event.
Go to Project Settings > Notifications
Please refer below documentation for more details on this.
There may be the case that default assigne has been set to project lead and if you are project lead, you may have assigned issue.
To check this,
Go Project Settings > Users & Roles > Default assigne > change to unassigned
Also if you are part of Componet lead and default assignee set to Componet lead, you may see that issue are assigned to you based on component value.
Go Project Settings > Components
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events