#!/bin/bash
if [[ $EUID -ne 0 ]]; then # Force root
  exec sudo $0 "$@";
fi;
if [[ "$1" = "" ]];then
  echo "Usage: $0 <email>";
else
  cd /etc/postfix/;
  echo "$1 REJECT" >> sender_access;
  postmap hash:sender_access;
  service postfix restart;
  service saslauthd restart;
  service courier-authdaemon restart;
fi;