private function _sendBcc(Swift_Mime_Message $message, $reversePath, array $bcc, array &$failedRecipients)
{
$sent = 0;
foreach ($bcc as $forwardPath => $name) {
$message->setBcc(array($forwardPath => $name));
$sent += $this->_doMailTransaction($message, $reversePath, array($forwardPath), $failedRecipients);
}
return $sent;
}