$from_addr = $identity->getDefaultFromAddress();
$to = $this->getMdnReturnAddr();
- $ua = $this->_headers->getAgentHeader();
+ $ua = $this->_headers->getUserAgent();
$orig_recip = $this->_headers->getValue('Original-Recipient');
if (!empty($orig_recip) && is_array($orig_recip)) {
/* Set up the mail headers. */
$msg_headers = new Horde_Mime_Headers();
$msg_headers->addMessageIdHeader();
- $msg_headers->addAgentHeader($ua);
+ $msg_headers->addUserAgentHeader($ua);
$msg_headers->addHeader('Date', date('r'));
$msg_headers->addHeader('From', $from_addr);
$msg_headers->addHeader('To', $this->getMdnReturnAddr());