If the emails remain on the Exchange server and cannot be forwarded to the smarthost for sending, it may be because the certificate bound to the corresponding connector no longer exists or has been expired. Of course, it is also
Citrix Receiver for Windows – Remove orphaned Start Menu Shortcuts and/or Folders
Did you ever wonder how to get rid of those orphaned Citrix Start Menu Shortcuts and/or folders? Well, wonder no more! Here is the script (Remove-CitrixShortcuts.ps1) to remove any Citrix-related shortcut (lnk file extension) from selected Paths.