#!/bin/bash

[[ -z $1 ]] && echo domain as \$1 missing && exit 1

cd /etc/postfix/

echo -n checking if $1 is already recorded...
tmp=`grep $1 client_access`
[[ -n $tmp ]] && printf "ALREADY RECORDED\n$tmp\n" && exit 1 || echo done
unset tmp

echo -n writing to access...
cat >> client_access <<EOF && echo done:
$1      REJECT $1 is identified as a spam domain
.$1     REJECT $1 is identified as a spam domain
EOF

tail -4 client_access

echo -n applying postmap...
postmap client_access && echo done:
date
ls -lhF client_access.db