I couldn´t find the Status information in the header, and I will take it from the content. It is not an elegant solution, but at least it works. If someone finds a better one, please let me know!
Java code:
StringWriter writer = new StringWriter();
IOUtils.copy(bodyPart.getInputStream(), writer);
LOGGER.info("Content inputstream: " + writer.toString());
Logs:
Content inputstream: Reporting-MTA: dns; srvvie-mx3.styria-multi-media.com X-Postfix-Queue-ID: 2A1A8F00CF X-Postfix-Sender: rfc822; Arrival-Date: Fri, 9 Aug 2013 11:14:02 +0200 (CEST)
Final-Recipient: rfc822; MAILER-DAEMON@domain.com Original-Recipient: rfc822;MAILER-DAEMON@domain.com Action: failed Status: 5.1.1 Remote-MTA: dns; Diagnostic-Code: smtp; 550 5.1.1 Mailbox does not exist