Reporting-MTA: dns; smtp.kimittud.org
X-Postfix-Queue-ID: 5D11020F24
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xxx
Arrival-Date: Thu,  3 May 2018 08:07:59 +0000 (UTC)

Final-Recipient: rfc822; xxxxxxxxxx@xxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; mx-k.invitel.net
Diagnostic-Code: smtp; 550 5.1.1 <xxxxxxxxxx@xxxxxxx.xx>: Recipient address
    rejected: User unknown