Outlook Items.Restrict Does not return all messages
[Reflection.Assembly]::LoadWithPartialname("Microsoft.Office.Interop.Outlook") | Out-Null
$olFolders = "Microsoft.Office.Interop.Outlook.OlDefaultFolders" -as [type]
$outlook = new-object -comobject outlook.application
$namespace = $outlook.GetNameSpace("MAPI")
$inbox = $namespace.getDefaultFolder($olFolders::olFolderInbox)
$filter = "[SenderName] = 'Dummy Sender'"
$messages = $inbox.items.Restrict($filter)
$messages | % {
    Write-Host "`t$($_.Subject)"
    [void]$_.Move($destination) | Out-Null
}