Create possibility to report spam account.
Also provide/collect data on it (IP, emails…) which can help to recover $.
Hello and welcome to MetaMask community.
The following link is related to your post.
Also there is also a phishing detector you can learn more about here:
GitHub - MetaMask/eth-phishing-detect: Utility for detecting phishing domains…
Utility for detecting phishing domains targeting Ethereum users - GitHub - MetaMask/eth-phishing-detect: Utility for detecting phishing domains targeting Ethereum users