You can create a list to determine which leads have bounced to you emails and newsletters. First, in order to create a list, go to the Leads tab from the top left of the dashboard and then click on List option under the Leads tab.
Click on the Create List option
You are going to create a Static List but you would want the leads to be added automatically. So check the option 'Add Leads Now' option
Now scroll down to select the conditions
Here you need to select the 'Email' option
Now select the filter as 'Have Bounced', like this:
Select the Email field as 'Any Email' and then click Save
Click on the Save List option on the top right of the page.
The system will take some time to populate the leads with all the matching lists.