#!/bin/sh cd /private/var/spool/postfix sudo chown postfix active bounce corrupt defer deferred flush hold incoming private public maildrop sudo chgrp postdrop public maildrop sudo chmod 0700 active bounce corrupt defer deferred flush hold incoming private public maildrop sudo chmod 0730 maildrop sudo chmod 0710 public cd /usr/sbin sudo chgrp postdrop postqueue postdrop