The 'Hard bounces' report lists all of the contacts who couldn't be delivered to due to a hard bounce.
These email addresses are immediately added to your suppression list.
Find out more about different bounce and suppression types.
Using the report
This report lists all the contacts who've hard bounced.
You can also:
- click on Display to change the view of the report
- export the report
- create an address book containing the listed contacts