Microsoft outlook.com and Personal domain email forwarding

It seems the Outlook redirect rule stopped working; Access denied ,does not pass DMARC verification

"All redirected mails bounce back with "Access denied, sending domain [DOMAIN] does not pass DMARC verification and has a DMARC policy of reject.

for example:

Your message wasn't delivered because the recipient's email provider rejected it.

DB5EUR02FT022.mail.protection.outlook.com gave this error:

Access denied, sending domain [SENDCLOUD.COM] does not pass DMARC verification and has a DMARC policy of reject. [PAXPR03MB8202.eurprd03.prod.outlook.com 2023-05-10T13:59:59.883Z 08DB4F6AA79E53B4] [DUZPR01CA0068.eurprd01.prod.exchangelabs.com 2023-05-10T13:59:59.889Z 08DB50E6414EAB05] [DB5EUR02FT022.eop-EUR02.prod.protection.outlook.com 2023-05-10T13:59:59.879Z 08DB513EAF6E0C11]"

I have this personal domain email forwarding to my @outlook.com address is now generating these "errors" about 1 in 5 emails. Seems nothing more I can do. Apart from move away from outlook.com 

Thanks Microsoft

Your sincerely

a 10+ year office365 paying customer.

More information:

Outlook redirect rule stopped working; Access denied ,does not pass - Microsoft Community

Announcing New DMARC Policy Handling Defaults for Enhanced Email Security - Microsoft Community Hub