public function htmlMail($html) {
        // Уникално ид
        $boundary = md5(uniqid(time()));

        // Хедъри
        $this->header = "From: " . $this->fromName . ' <' . $this->fromEmail . ">" . "\r\n";
        $this->header .= "To: " . $this->toEmail . "\r\n";
        $this->header .= "Return-Path: " . $this->return . "\r\n";
        $this->header .= "MIME-Version: 1.0\n";
        $this->header .= 'Content-Type: multipart/alternative; boundary="' . $boundary . '"' . "\r\n";

        // Текст версия
        $msgPlainText = "--" . $boundary . "\r\n";
        $msgPlainText .= 'Content-Type: text/plain; charset="iso-8589-1"' . "\r\n";
        $msgPlainText .= "Content-Transfer-Encoding: 8bit" . "\r\n";
        $msgPlainText .= "If you are seeing this is because you may need to change your" . "\r\n";
        $msgPlainText .= "preferred message format from HTML to plain text." . "\r\n" . "\r\n";


        // HTML Версия
        $msgHtml = "--" . $boundary . "\r\n";
        $msgHtml .= 'Content-Type: text/html; charset="iso-8589-1"' . "\r\n";
        $msgHtml .= "Content-Transfer-Encoding: 8bit" . "\r\n" . "\r\n";
        $msgHtml .= $html;

        // Събиране
        $message = $msgPlainText . $msgHtml . PHP_EOL;

        // Изпращане
        $this->send($message);
    }