Useless services

I was told by Menlyn post Office my parcell will be delivered to NZ in 5-7 work days. Guess what its a lie! they charge a fortune and dont deliver! Its been over 2 weeks now WORST OF ALL US I CSNT GET THROUGH ON EMAIL OR WEBSITE OR ON CUSTOMER SERVICES! Can SOMEONE FROM POST OFFICE PLEASE LET ME KNOW AN UPDATE ON MY PARCELL CN ***ZA J Floyd Its pathetic !!!