Anyone else seeing ‘delivery issues with some email providers’ on Claude login? (Microsoft 365 work email)

https://preview.redd.it/0u41i95js7ng1.png?width=718&format=png&auto=webp&s=0d5ccf987a955e3c4777958eec20535d73f42bc7

Everything was working perfectly until last month, but now I’ve stopped receiving verification emails entirely. I can still see previous verification emails in my inbox, and I’ve already added Anthropic’s email address to my safe senders list, but the new ones aren't coming through.