We are excited to announce support of Client Credential Flow (CCF) for SMTP AUTH in Exchange Online. CCF for SMTP AUTH allows applications to use Modern authentication for submitting authenticated em...
Published Jul 10, 2023
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It would, I believe, be appreciated by developers if the authors could rewrite the last section "Register service principals in Exchange" in a more ordered way and with some elaboration of exactly what is being exemplified . While technically accurate, it assumes that developers know as much as the authors, especially about the logic of the flow of the final example.
And a few specific (picky!) details:
In New-ServicePrincipal … [-Organization <ORGANIZATION_ID>] it is unspecified under what conditions an Organisation_ID is needed or what its purpose is
In New-ServicePrincipal … -DisplayName "EXO Serviceprincipal for EntraAD App $($AADServicePrincipalDetails.Displayname) the argument of DisplayName is opaque and some clarification for mere mortals would be helpful
In $AADServicePrincipalDetails .... YourAppName I recollect (might be wrong) that YourAppName needs to be a quoted string
While we got CCF working quite quickly, it needed quite a lot of (unnecessary) guesswork.