Update SharePoint RequestAccessEmail

spupdateRequestAccessEmail.ps1

$webapp = Get-SPWebApplication "https://WEBAPP"
foreach($site in $webapp.Sites){
     foreach($web in $site.AllWebs){
         if ($web.HasUniqueRoleDefinitions){
             if($web.RequestAccessEnabled){
                 Write-Host $Web.URL
                 Write-Host $Web.RequestAccessEmail
                 Write-Host "---"
                 if ($web.RequestAccessEmail -eq '[email protected]'){
                     Write-Host $Web.URL "Update RequestAccessEmail"
                     Write-Host "---"
                     $web.RequestAccessEmail ="[email protected]"
                     $web.Update()
                 }
             }
             else {
                 Write-Host "Access Request Settings not enabled." $Web.URL
             }
         }
     }
 }