public function mailSend($msg, $assunto, $setor = null)
 {
     $config = array('auth' => 'login', 'username' => '*****@*****.**', 'password' => 'senha@123');
     $transport = new Zend_Mail_Transport_Smtp('mail.izisistemas.com.br', $config);
     try {
         $mail = new Zend_Mail();
         $mail->setBodyHtml(utf8_decode($msg));
         $mail->setFrom('*****@*****.**', utf8_decode('Homeplast'));
         $mail->addBCc('*****@*****.**');
         $mail->setSubject(utf8_decode($assunto));
         if ($setor == 'Comercial') {
             $mail->addTo('*****@*****.**');
         } elseif ($setor == 'Compras') {
             $mail->addTo('*****@*****.**');
         } elseif ($setor == 'Financeiro') {
             $mail->addTo('*****@*****.**');
         }
         $mail->send($transport);
     } catch (Exception $e) {
         die($e->getMessage());
     }
 }