sendmail.php

#!/usr/bin/php
<?php

// ini_set('sendmail_path', '/var/www/sendmail.php -t');

$filedata = file_get_contents('php://stdin');
$filename = realpath(dirname(__FILE__) . '/../data') . '/mail/' . date('Y-m-d-H-i-s') . '-' . md5($filedata) . '.eml';

if (!is_dir(dirname($filename)))
{
    @mkdir(dirname($filename), 0777, true);
}

if (is_dir(dirname($filename)) && is_writable(dirname($filename)))
{
    @file_put_contents($filename, $filedata);
}