[fetchmail] help for Same Message-Id

  Hi all,

      Iam using fetchmail 6.2.2 / procmail/ qmail.
      Iam fetching a catchall box.
      Iam using procmail as mda.
      I have 5 same messages for 5 different users in the catchall box.
      It has the same Message-Id header.
      But fetchmail  fetches the mails 5 times.
      
      can i able to fetch the mail one time.
      second & third time it will deliver the same message 
      depends on the same Message-Id for corresponding users.
      
      it is used to avoid the fetching time of same messages.
      
   Any idea?
         
--Senthil Kumar.K