microsoft exchange server behind dns proxy authentication issues. on prem exchange server hidden behind Cloudflare dns proxy with hybrid setup to office 365. from reading this article and in particular the orange warning I think there are known issues having an on prem exchange server behind your DNS cloud proxy. I am seeing authentication issues externally that I dont see internally - e.g. for autodiscover. can you elaborate please - is the only option to disable cloud proxy or use a different service of yours for protection of on prem exchange server - https://support.cloudflare.com/hc/en-us/articles/200169626-Identifying-subdomains-compatible-with-Cloudflare-s-proxy
Cloudflare’s proxy service is designed for HTTP/S. If you want to proxy other types of traffic, you’d need to use Spectrum on an Enterprise plan.
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