EWS Mail Sort

#Load the ActiveDirector PowerShell module
Import-Module ActiveDirectory
# Load the EWS Managed API library
Add-Type -Path "$env:ProgramFiles\Microsoft\Exchange\Web Services\2.2\Microsoft.Exchange.WebServices.dll"

Try {
    #Define the Exchange server version
    #Had to use SP1 even though we have SP3, kept getting BIND errors when defining $inbox
    $Exchange2010SP1 = [Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2010_SP1

    # create EWS Service object for the target mailbox name
    $EWS = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService -ArgumentList $Exchange2010SP1
    $EWS.AutodiscoverUrl("Employee.Terminations@mycompany.com")

    #Setup variable for the Folder Root
    $MailboxRootid = New-Object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::MsgFolderRoot)
    $MailboxRoot = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($EWS, $MailboxRootid)

    $FolderList = New-Object Microsoft.Exchange.WebServices.Data.FolderView(20)
    $FolderList.Traversal = [Microsoft.Exchange.WebServices.Data.FolderTraversal]::Deep
    $FolderResults = $MailboxRoot.FindFolders($FolderList)

    #Setup variable for the Inbox and number of items to get from the Inbox
    $InboxID = New-Object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::Inbox)
    $Inbox = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($ews, $InboxID)
    $mailList = $Inbox.FindItems(50)

    #Do the work
    #Iterate through each email in the Inbox and search for a employee name
    foreach ($email in $mailList) {
        $email.Load()
        $StringToSearch = $email.Subject
        #RegEx to search the Subject line for a username
        $name = [regex]::match($StringToSearch, 'Notification\:([^\)]+)\(').Groups[1].Value
        #Trim leading and trailing spaces from the username
        $name = $name.TrimStart([char]0x0020).TrimEnd([char]0x0020)

        #Check if there is a user account that matches the employee name
        #If one exists, send the notification to the Help Desk and save a copy
        if ((Get-ADUser -Filter {Name -like $name}) -ne $null) {
            $fwMail = New-Object -TypeName Microsoft.Exchange.WebServices.Data.EmailMessage -ArgumentList $EWS
            $fwMail.Subject = $email.Subject
            $fwMail.Body = $email.Body
            $fwMail.ToRecipients.Add('Help.Desk@mycompany.com') | Out-Null
            $fwMail.SendAndSaveCopy()
        }

        #Mark the email as read and move the processed email to the Processed folder.
        $email.IsRead = $true
        $email.Update([Microsoft.Exchange.WebServices.Data.ConflictResolutionMode]::AutoResolve)
        $email.move(($FolderResults | Where-Object {$_.displayname -eq "Processed"}).ID) | Out-Null

    }
}

Catch {
    $ErrorMessage = $_.Exception.Message
    $FailedItem = $_.Exception.ItemName
    Send-MailMessage -From Employee.Terminations@mycompany.com -To Help.Desk@mycompany.com -Subject "Termination Notification processing error" -SmtpServer smtp.mycompany.com -Body "$FailedItem. The error message was $ErrorMessage"
    Break
}