Improvements to rule management for tenants

Author: KelvinTegelaar

Modules/CIPPCore/Public/Entrypoints/Activity Triggers/Push-ListMailboxRulesQueue.ps1

@@ -12,14 +12,20 @@ function Push-ListMailboxRulesQueue {
 
     $Table = Get-CIPPTable -TableName cachembxrules
     try {
-        $Rules = New-ExoRequest -tenantid $domainName -cmdlet 'Get-Mailbox' -Select 'userPrincipalName,GUID' | ForEach-Object -Parallel {
-            Import-Module CIPPCore
-            $MbxRules = New-ExoRequest -Anchor $_.UserPrincipalName -tenantid $using:domainName -cmdlet 'Get-InboxRule' -cmdParams @{Mailbox = $_.GUID; IncludeHidden = $true } | Where-Object { $_.Name -ne 'Junk E-Mail Rule' -and $_.Name -notlike 'Microsoft.Exchange.OOF.*' }
-            foreach ($Rule in $MbxRules) {
-                $Rule | Add-Member -NotePropertyName 'UserPrincipalName' -NotePropertyValue $_.userPrincipalName
-                $Rule
+        $Mailboxes = New-ExoRequest -tenantid $domainName -cmdlet 'Get-Mailbox' -Select 'userPrincipalName,GUID'
+        $Request = $Mailboxes | ForEach-Object {
+            @{
+                OperationGuid = $_.UserPrincipalName
+                CmdletInput   = @{
+                    CmdletName = 'Get-InboxRule'
+                    Parameters = @{
+                        Mailbox = $_.UserPrincipalName
+                    }
+                }
             }
         }
+
+        $Rules = New-ExoBulkRequest -tenantid $domainName -cmdletArray @($Request) | Where-Object { $_.Identity }
         if (($Rules | Measure-Object).Count -gt 0) {
             $GraphRequest = foreach ($Rule in $Rules) {
                 [PSCustomObject]@{