Importing this list will sever any existing connections you have from these servers, including approved AND unapproved followers.
To import the domain list:
Visit https://toot.wales/settings/imports
Select "Domain Blocking List"
Click "Choose File" and select the CSV file you downloaded in the previous step
Select "Merge"
Click "Upload"
The domain blocks will then be queued for action, and will update shortly thereafter.
If you have any questions about this update please email help@toot.wales