Hello Enzo. If you are constantly receiving persistent spam or phishing emails despite blocking and reporting them this could be a threat.
If you are using Outlook, you can use the Report Message button to submit the email directly from your inbox. These submissions help improve Microsoft’s spam filters and threat detection systems.
You may refer to this article: How do I report a suspicious email or file to Microsoft?
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Best regards,