Comment by n0vella

Seems like outlook stop receiving emails from cloudflare redirection:

upstream (outlook-com.olc.protection.outlook.com.) temporary error: Unknown error: transient error (451): 4.7.650 The mail server [104.30.10.49] has been temporarily rate limited due to IP reputation

I don't know how to deal with this so right now you can contact me on n0vella@outlook.com