/**
* Detect original email by references headers
*
* @see http://th-h.de/faq/headerfaq.php#technisches
* @param Mzax_Bounce_Message $message
* @return Mzax_Emarketing_Model_Outbox_Email|NULL
*/
public function detectReferenceEmail(Mzax_Bounce_Message $message)
{
/* @var $email Mzax_Emarketing_Model_Outbox_Email */
$email = Mage::getModel('mzax_emarketing/outbox_email');
// try to load original email by reference header
foreach (array_reverse($message->getReferences()) as $messageId) {
$email->loadByMessageId($messageId);
if ($email->getId()) {
return $email;
}
}
// try using in reply header
$inReplyTo = $message->getHeader('in-reply-to');
if (preg_match('/<(.+)>/', $inReplyTo, $match)) {
$email->loadByMessageId($match[1]);
if ($email->getId()) {
return $email;
}
}
return null;
}