Reporting-MTA: dns; smtp.kimittud.org
X-Postfix-Queue-ID: 7AD0C7E2F6
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xxx
Arrival-Date: Mon, 28 Aug 2023 14:12:10 +0200 (CEST)

Final-Recipient: rfc822; xxxxxx@xxxxxxxxx.xx
Original-Recipient: rfc822;xxxxxx@xxxxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; mx.dka.mailcore.net
Diagnostic-Code: smtp; 550 5.1.1 <xxxxxx@xxxxxxxxx.xx>: Recipient address
    rejected: User unknown in relay recipient table