We are sorry about the spam mail you’ve been receiving. We are looking into improving the filtering.
Thank you for reaching out to us. We are sorry that you haven’t been able to block certain contacts. We are considering bringing this ability to outlook on the mobile browser. However in the meantime you can do this from outlook.com on a desktop or a laptop. Follow the steps mentioned here https://answers.microsoft.com/en-us/outlook_com/forum/all/how-do-i-block-the-email-of-someone-harassing-me/d2d4a775-b8c8-4c38-bcc6-404a940030e8.
An error occurred while saving the commentLee Pettersson commented
When people block spam domains, especially because their email has bern pwned, why dont you block the domain permanently so people can never receive the spam & **** again even in their junk folder.