A few hours ago a new Version of the Microsoft Defender for Office 365 Recommended Configuration Analyzer (ORCA) Module has been released.
To check the installed Module and what's available on PowerShell Gallery use the commands below
Uninstall the old and install the new PowerShell Module
The Module only contains two Commands
Get-Command -Module ORCA
Now let's run the ORCA Report
The Report is in HTML and will be shown here
I've created an additional Outbound Spam Policy with Higher Values (Correct but intentionally made so).
Safe Attchments not enabled on Domains (due Licensing restrictions)
No DKIM for the Domain used for Teams Direct Routing
No SPF for the Domain used for Teams Direct Routing