Das Skript via FastScripts erleichtert das Bewegen von Emails in Unterordner. Diese Version hat einen kleinen Bugfix, so dass auch mehrere Emails in einem Rutsch korrekt bewegt werden.

-- MoveMailTo
--  Created by Hubi on 16.06.2009
--Änderung vom 07.12.2009
--     ->Unterordner können nu auch als Ziel genutzt werden
--     ->POP Accounts bzw. lokale Ordner können nun auch angesprochen werden.
--  Copyright 2009 hubionmac.com. All rights reserved. ;-)
-- 20.06.2013 Bugfix... so it works with more than one selected mail using Mac OS 10.7
tell application "Mail"
  
  set theSelection to selection
  if theSelection ≠ {} then
    try
      set ac_name to (name of account of mailbox of (item 1 of theSelection))
      set ac_typ to account type of account of mailbox of (item 1 of theSelection)
    on error
      --wenn eine Nachricht in einem lokalen Postfach ausgewählt wurde kann das nur schief gehen, also:
      set ac_name to ""
      set ac_typ to pop
    end try
    set t_mail to {}
    if ac_typ = imap then
      repeat with i from 1 to (count of every mailbox of account ac_name)
        --set t_mail to t_mail & ((i & " " & name of mailbox i of account ac_name) as text)
        set t_mail to t_mail & ((name of mailbox i of account ac_name & " (" & i & ")") as rich text)
      end repeat
    else if ac_typ = pop then
      repeat with i from 1 to (count of every mailbox)
        --set t_mail to t_mail & ((i & " " & name of mailbox i of account ac_name) as text)
        set t_mail to t_mail & ((name of mailbox i & " (" & i & ")") as rich text)
      end repeat
    end if
    
    
    set my_mailboxes to {"•••NEW•••"} & t_mail
    set theaction to choose from list my_mailboxes default items {item 1 of my_mailboxes}
    if theaction as rich text ≠ "false" then
      if theaction as rich text = (item 1 of my_mailboxes) as rich text then
        set new_mailboxname to text returned of (display dialog "New Mailbox" default answer "---New Mailbox ---")
        if new_mailboxname as rich text ≠ "false" then
          if ac_typ = imap then
            tell account ac_name to set desti_box to (make new mailbox with properties {name:new_mailboxname})
          else if ac_typ = pop then
            make new mailbox with properties {name:new_mailboxname}
            set desti_box to new_mailboxname
          end if
        end if
      else
        --set desti_box to mailbox ((first word of (theaction as text)) as integer) of account ac_name
        if ac_typ = imap then
          set desti_box to mailbox ((last word of (theaction as rich text)) as integer) of account ac_name
        else if ac_typ = pop then
          set desti_box to mailbox ((last word of (theaction as rich text)) as integer)
        end if
      end if
      repeat with themessage in theSelection
        
        move themessage to desti_box
      end repeat
    end if
  else
    display dialog "Nix ausgewählt zum verschieben" giving up after 1
  end if
end tell