// description of your code here



      # get a correct mail

      searching_obj = context
      interesatuen_epostak = []

      while interesatuen_epostak == []:
            if searching_obj.interesatuen_epostak != []:
               for m in searching_obj.interesatuen_epostak:
                   if '@' in m:
                      interesatuen_epostak.append(m)
            searching_obj = searching_obj.aq_parent


      # send a mail

      try:
        mailhost=getattr(context, context.superValues('Mail Host')[0].id)
      except:
        raise AttributeError, "cant find a Mail Host object"

      for i in interesatuen_epostak: 
       mMsg = "To: " + i + "\n"
       mMsg = mMsg + "From: intranet@zenbaki.es\n"
       mMsg = mMsg + "Mime-Version: 1.0\n"
       mMsg = mMsg + "Content-Type: text/html; charset=ISO-8859-1\n\n"

       mMsg = mMsg + ""
       mMsg = mMsg + "
Aldaketak:
"
       mMsg = mMsg + "
"+user.getUserName()

       if user.getUserName()[-1] in ['a','e','i','o','u']:
          mMsg = mMsg + "k,"
       else:
          mMsg = mMsg + "ek,"

       mMsg = mMsg + " '"+obj.title+"' HTML fitxategia gehitu zuen "
       mMsg = mMsg + "'"+container_folder.id+"' izendako karpetan.
"
       mMsg = mMsg + ""

       mSubj = "[intranet] '"+obj.title+"' HTML fitxategia gehituta izan zen"
       mailhost.send(mMsg, subject=mSubj, encode='base64')