<prompt> Translate the following text to EnglishKwa upande mwingine, kwa sababu ya gharama za posta za ndani za New Zealand na Israel, ni muhimu zaidi kuondoa mauzo ya barua kutoka kwa huduma za posta za nje.  <response>: Fourth, we need to obtain the domestic postage rates for New Zealand and Israel, the only significant outbound IC mail flows omitted from this analysis. 