A fix has been implemented and we are monitoring the results.
Posted Mar 26, 2024 - 12:52 UTC
Update
We are continuing to investigate this issue.
Posted Mar 26, 2024 - 12:22 UTC
Investigating
Cloudflare is aware of, and investigating an issue which potentially impacts multiple customers regarding mail flowing through us-east portion of our infrastructure. The mail is bouncing off of O365.
Further detail will be provided as more information becomes available.