<prompt> Translate the following text to SwahiliFifth, there might be changes in the role the Postal Service plays in policing the fraudulent use of the mails.  <response>: Kwa upande mwingine, kuna uwezekano wa mabadiliko katika jukumu la Huduma ya Posta katika kudhibiti matumizi ya udanganyifu wa barua. 