trustedDomains.ps1

# This is the cmdlet you'll need to edit with your own domain name or email address

if(Get-Module MSOnline){
    write-host "Module already installed."
}else{
    Install-Module -Force MSOnline
}

$ScriptBlock = {Get-AntiPhishPolicy | Set-AntiPhishPolicy -ExcludedDomains "feedback.smileback.io"}
 
# Establish a Windows PowerShell session with Office 365. You'll be prompted for your Delegated Admin credentials
 if(!$Cred){
    $Cred = Get-Credential
 }

 
Connect-MsolService -Credential $Cred
 
$customers= Get-MsolPartnerContract -All
 
Write-Host "Found $($customers.Count) customers for this Partner."
 
# For each of the contracts (customers), run the specified report and output the information.
 
foreach ($customer in $customers) { 


 
    # Get the initial domain for the customer.
 
    $InitialDomain = Get-MsolDomain -TenantId $customer.TenantId | Where {$_.IsInitial -eq $true}
 
    #subscriptions
    $subscriptions = Get-MsolSubscription -TenantId $customer.TenantId
    if($subscriptions.SkuPartNumber -match "ATP"){
        write-host $InitialDomain.Name "has ATP. Adding trusted domains."
    
    # Construct the URL with the DelegatedOrg parameter.
 
    $DelegatedOrgURL = "https://ps.outlook.com/powershell-liveid?DelegatedOrg=" + $InitialDomain.Name
 
    # Connect to your customers tenant and run the script block
 
    Invoke-Command -ConnectionUri $DelegatedOrgURL -Credential $Cred -Authentication Basic -ConfigurationName Microsoft.Exchange -AllowRedirection -ScriptBlock $ScriptBlock -HideComputerName
    }
}