My e-mail is configured to send a copy to another e-mail and I am having problems with 2 days of not receiving the copies anymore.
Technical details of the failure:
4.7.650 The mail server [136.143.184.71] has been temporarily rate limited due to IP reputation. For e-mail delivery information, see
https://postmaster.live.com (S843) [AM7EUR06FT015.eop-eur06.prod.protection.outlook.com]
Please note that your email forwarding will be disabled if there are too many failures.