[pfx] Re: Throttling outbound traffic to outlook/live

Have you checked https://answers.microsoft.com/en-us/outlook_com/forum/all/the-mail-server--has-been-temporarily-rate/1e547821-05a8-4f20-bf53-2d9420014bc0 and seen if you can glean any info from Outlook.com Smart Network Data Services (SNDS) https://sendersupport.olc.protection.outlook.com/

[pfx] Throttling outbound traffic to outlook/live

Hi, I'm using postfix-3.8.5 on fedora40 (soon to be 42) and somehow outlook/live has stopped accepting our email. I'm in an unfortunate situation where many local user accounts are being forwarded to offsite gmail and outlook accounts. I've implemented ARC and DKIM/SPF/DMARC but outlook still thin