Postfixがメールを外部へ送信しないようにする設定をするスクリプト

postfix-setting.sh

#!/bin/sh

USERID=`id | sed 's/uid=\([0-9]*\)(.*/\1/'`
if [ $USERID -ne 0 ]
then
    echo $0": Error: You must be root to do that!"
    exit 1
fi

echo "\ntrash:\t/dev/null" >> /etc/aliases
postalias /etc/aliases
echo "\n*\tlocal:" >> /etc/postfix/transport
postmap /etc/postfix/transport
echo "\nluser_relay = trash\ntransport_maps = hash:/etc/postfix/transport" >> /etc/postfix/main.cf

exit 0