Smart Folder for emails from contacts

2
  1. Right click Search Folders → New Search Folder…
  2. Name it (whatever you like)
  3. Select from as criteria (1)
  4. Click (2)
    Snag_5dcc35 and select all your contacts (checkbox in the title line) in Select Contact
  5. Press ok (Select Contact)
  6. Press ok (Create Search Folder)

This aggreates all your contacts in a folder logically – you will still find them in you regular in box.