I would like to add Content-Security-Policy headers for Exchange 2016 for /owa and /ecp.

Being well aware that a "too restrictive" Content-Security-Policy header can break both /owa and /ecp, is there a known working least permissive set for Exchange 2016 ?


This works, at least, for OWA 2010.

Content-Security-Policy "default-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'";

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