ExcludeQuery.ps1

function Connect-Exchange{ 
    param( 
    	[Parameter(Position=0, Mandatory=$true)] [string]$MailboxName,
		[Parameter(Position=1, Mandatory=$true)] [System.Management.Automation.PSCredential]$Credentials,
		[Parameter(Position=2, Mandatory=$false)] [string]$url
    )  
 	Begin
		 {
		Load-EWSManagedAPI
		
		## Set Exchange Version  
		$ExchangeVersion = [Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2013
		  
		## Create Exchange Service Object  
		$service = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService($ExchangeVersion)  
		  
		## Set Credentials to use two options are availible Option1 to use explict credentials or Option 2 use the Default (logged On) credentials  
		  
		#Credentials Option 1 using UPN for the windows Account  
		#$psCred = Get-Credential  
		$creds = New-Object System.Net.NetworkCredential($Credentials.UserName.ToString(),$Credentials.GetNetworkCredential().password.ToString())  
		$service.Credentials = $creds      
		#Credentials Option 2  
		#service.UseDefaultCredentials = $true  
		 #$service.TraceEnabled = $true
		## Choose to ignore any SSL Warning issues caused by Self Signed Certificates  
		  
		Handle-SSL	
		  
		## Set the URL of the CAS (Client Access Server) to use two options are availbe to use Autodiscover to find the CAS URL or Hardcode the CAS to use  
		  
		#CAS URL Option 1 Autodiscover  
		if($url){
			$uri=[system.URI] $url
			$service.Url = $uri    
		}
		else{
			$service.AutodiscoverUrl($MailboxName,{$true})  
		}
		Write-host ("Using CAS Server : " + $Service.url)   
		   
		#CAS URL Option 2 Hardcoded  
		  
		#$uri=[system.URI] "https://casservername/ews/exchange.asmx"  
		#$service.Url = $uri    
		  
		## Optional section for Exchange Impersonation  
		  
		#$service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress, $MailboxName) 
		if(!$service.URL){
			throw "Error connecting to EWS"
		}
		else
		{		
			return $service
		}
	}
}

function Load-EWSManagedAPI{
    param( 
    )  
 	Begin
	{
		## Load Managed API dll  
		###CHECK FOR EWS MANAGED API, IF PRESENT IMPORT THE HIGHEST VERSION EWS DLL, ELSE EXIT
		$EWSDLL = (($(Get-ItemProperty -ErrorAction SilentlyContinue -Path Registry::$(Get-ChildItem -ErrorAction SilentlyContinue -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Web Services'|Sort-Object Name -Descending| Select-Object -First 1 -ExpandProperty Name)).'Install Directory') + "Microsoft.Exchange.WebServices.dll")
		if (Test-Path $EWSDLL)
		    {
		    Import-Module $EWSDLL
		    }
		else
		    {
		    "$(get-date -format yyyyMMddHHmmss):"
		    "This script requires the EWS Managed API 1.2 or later."
		    "Please download and install the current version of the EWS Managed API from"
		    "http://go.microsoft.com/fwlink/?LinkId=255472"
		    ""
		    "Exiting Script."
		    exit
		    } 
  	}
}

function Handle-SSL{
    param( 
    )  
 	Begin
	{
		## Code From http://poshcode.org/624
		## Create a compilation environment
		$Provider=New-Object Microsoft.CSharp.CSharpCodeProvider
		$Compiler=$Provider.CreateCompiler()
		$Params=New-Object System.CodeDom.Compiler.CompilerParameters
		$Params.GenerateExecutable=$False
		$Params.GenerateInMemory=$True
		$Params.IncludeDebugInformation=$False
		$Params.ReferencedAssemblies.Add("System.DLL") | Out-Null

$TASource=@'
  namespace Local.ToolkitExtensions.Net.CertificatePolicy{
    public class TrustAll : System.Net.ICertificatePolicy {
      public TrustAll() { 
      }
      public bool CheckValidationResult(System.Net.ServicePoint sp,
        System.Security.Cryptography.X509Certificates.X509Certificate cert, 
        System.Net.WebRequest req, int problem) {
        return true;
      }
    }
  }
'@ 
		$TAResults=$Provider.CompileAssemblyFromSource($Params,$TASource)
		$TAAssembly=$TAResults.CompiledAssembly

		## We now create an instance of the TrustAll and attach it to the ServicePointManager
		$TrustAll=$TAAssembly.CreateInstance("Local.ToolkitExtensions.Net.CertificatePolicy.TrustAll")
		[System.Net.ServicePointManager]::CertificatePolicy=$TrustAll

		## end code from http://poshcode.org/624

	}
}

function FolderIdFromPath{
	param (
	        $FolderPath = "$( throw 'Folder Path is a mandatory Parameter' )",
			$SmtpAddress = "$( throw 'Folder Path is a mandatory Parameter' )"
		  )
	process{
		## Find and Bind to Folder based on Path  
		#Define the path to search should be seperated with \  
		#Bind to the MSGFolder Root  
		$folderid = new-object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::MsgFolderRoot,$SmtpAddress)   
		$tfTargetFolder = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($service,$folderid)  
		#Split the Search path into an array  
		$fldArray = $FolderPath.Split("\") 
		 #Loop through the Split Array and do a Search for each level of folder 
		for ($lint = 1; $lint -lt $fldArray.Length; $lint++) { 
	        #Perform search based on the displayname of each folder level 
	        $fvFolderView = new-object Microsoft.Exchange.WebServices.Data.FolderView(1) 
	        $SfSearchFilter = new-object Microsoft.Exchange.WebServices.Data.SearchFilter+IsEqualTo([Microsoft.Exchange.WebServices.Data.FolderSchema]::DisplayName,$fldArray[$lint]) 
	        $findFolderResults = $service.FindFolders($tfTargetFolder.Id,$SfSearchFilter,$fvFolderView) 
	        if ($findFolderResults.TotalCount -gt 0){ 
	            foreach($folder in $findFolderResults.Folders){ 
	                $tfTargetFolder = $folder                
	            } 
	        } 
	        else{ 
	            "Error Folder Not Found"  
	            $tfTargetFolder = $null  
	            break  
	        }     
	    }  
		if($tfTargetFolder -ne $null){
			return $tfTargetFolder.Id
		}
		else{
			throw "Folder not found"
		}
	}
}
function Query-MessageFlag  {
	    param( 
    	[Parameter(Position=0, Mandatory=$true)] [string]$MailboxName,
		[Parameter(Position=1, Mandatory=$true)] [System.Management.Automation.PSCredential]$Credentials,
		[Parameter(Position=2, Mandatory=$false)] [switch]$useImpersonation,
		[Parameter(Position=3, Mandatory=$false)] [string]$url,
        [Parameter(Position=4, Mandatory=$true)] [Int32]$Flag,
		[Parameter(Position=5, Mandatory=$true)] [string]$FolderPath,
		[Parameter(Position=6, Mandatory=$false)] [switch]$Negate,
		[Parameter(Position=7, Mandatory=$false)] [switch]$SummaryOnly
    )  
 	Begin
	{
		if($url){
			$service = Connect-Exchange -MailboxName $MailboxName -Credentials $Credentials -url $url 
		}
		else{
			$service = Connect-Exchange -MailboxName $MailboxName -Credentials $Credentials
		}
		if($useImpersonation.IsPresent){
			$service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress, $MailboxName) 
		}
 		$folderId = FolderIdFromPath -FolderPath $FolderPath -SmtpAddress $MailboxName
		if($folderId -ne $null){
			$Folder = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($service,$folderId) 
			Write-Host ("Folder Name : " + $Folder.DisplayName)
			$PR_MESSAGE_FLAGS = new-object Microsoft.Exchange.WebServices.Data.ExtendedPropertyDefinition(0x0E07,[Microsoft.Exchange.WebServices.Data.MapiPropertyType]::Integer); 
			$sfItemSearchFilter = new-object Microsoft.Exchange.WebServices.Data.SearchFilter+ExcludesBitmask($PR_MESSAGE_FLAGS, $Flag) 
            if($Negate.IsPresent){
				$sfItemSearchFilter = new-object Microsoft.Exchange.WebServices.Data.SearchFilter+Not($sfItemSearchFilter)
			}   
			if(!$SummaryOnly.IsPresent){
				$ivItemView =  New-Object Microsoft.Exchange.WebServices.Data.ItemView(1000)
				$fiItems = $null    
				do{    
					$fiItems = $service.FindItems($Folder.Id,$sfItemSearchFilter,$ivItemView)    
					#[Void]$service.LoadPropertiesForItems($fiItems,$psPropset)  
					foreach($Item in $fiItems.Items){      
					    Write-Host($Item.DateTimeReceived.ToString() + " : " + $Item.Subject)       
					}    
					$ivItemView.Offset += $fiItems.Items.Count    
				}while($fiItems.MoreAvailable -eq $true) 
			}
			else
			{
				 $ivItemView =  New-Object Microsoft.Exchange.WebServices.Data.ItemView(1)
				 $fiItems = $service.FindItems($Folder.Id,$sfItemSearchFilter,$ivItemView)  
				 Write-Host ("Total Items : " + $fiItems.TotalCount)
			}
		}
	}
}