Vergleich inc/mailhandlers/smtp.php - 1.6.12 - 1.6.18

		
		$this->helo = $this->host;

		$local = array('127.0.0.1', '::1', 'localhost');
		if(!in_array($this->host, $local))
		{
			if(function_exists('gethostname') && gethostname() !== false)
			{
				$this->helo = gethostname();
			}
			elseif(function_exists('php_uname'))
			{
				$helo = php_uname('n');
				if(!empty($helo))
				{
					$this->helo = $helo;
				}
			}
			elseif(!empty($_SERVER['SERVER_NAME']))
			{
				$this->helo = $_SERVER['SERVER_NAME'];
			}
		}