throw exception VS return false

//moznost #1
public function send()
{
    if (!mail($this->to, $this->subject, $this->message, $headers)) {
        throw new Exception('Send e-mail failed');
    }
}

try {
    $mail->send();

    $this->setFlashMessage('success', 'E-mail pre obnovenie hesla bol odoslaný na vašu adresu.');

} catch (Exception $e) {

    $this->setFlashMessage('danger', 'Pokus o obnovenie hesla bol neúspešný.');
}


//moznost #2
public function send()
{
    if (!mail($this->to, $this->subject, $this->message, $headers)) {
        return false;
    }

    return true;
}

try {
    if (!$mail->send()) {
        throw new Exception('Send e-mail failed');
    }

    $this->setFlashMessage('success', 'E-mail pre obnovenie hesla bol odoslaný na vašu adresu.');

} catch (Exception $e) {

    $this->setFlashMessage('danger', 'Pokus o obnovenie hesla bol neúspešný.');
}