If you find that your domain has been blacklisted, here are the steps you can take:
Identify the cause: Look at the reason for the blacklisting and identify any issues with your email practices. Resolve the issue: Fix the problems that led to your domain being blacklisted, whether it's cleaning your email list, changing your email content, or improving email authentication methods. Request delisting: Contact the organization managing the blacklist and request removal. Provide evidence that the issues have been resolved and outline steps you’ve taken to prevent future occurrences.