Issue Definition: Email Encryption
Issue Resolution: Here below are the PowerShell commands for your reference for enabling email Encryption
Set-ExecutionPolicy Remotesigned
Install-Module AIPService
Connect-AIPService
Enable-AIPService
$LicensingLocation = (Get-AadrmConfiguration).LicensingIntranetDistributionPointUrl
Install-Module ExchangeOnlineManagement
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline
Set-IRMConfiguration -LicensingLocation @{add=$LicensingLocation}
Set-irmconfiguration -InternalLicensingEnabled $true
Set-IRMConfiguration -AzureRMSLicensingEnabled $true
Set-IRMConfiguration -SimplifiedClientAccessEnabled $true
Enable-Aadrm