    public function testBadSMTP()
    {
        $this->Mail->smtpConnect();
        $smtp = $this->Mail->getSMTPInstance();
        $this->assertFalse($smtp->mail("somewhere\nbad"), 'Bad SMTP command containing breaks accepted');
    }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.