Reporting-MTA: dns; smtp.kimittud.org
X-Postfix-Queue-ID: 6E4372128A
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xxx
Arrival-Date: Fri, 12 Apr 2019 12:14:18 +0000 (UTC)

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