Reporting-MTA: dns; pr-mta-externe-in02.localdomain
X-Postfix-Queue-ID: 9A83F1000
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Wed, 14 Oct 2026 00:10:48 +0200 (CEST)

Final-Recipient: rfc822; xxxxxxxxxxxxx@xxxxxxxxxx.xx
Original-Recipient: rfc822;xxxxxxxxxxxxx@xxxxxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; 192.168.205.228
Diagnostic-Code: smtp; 550 5.1.1 <xxxxxxxxxxxxx@xxxxxxxxxx.xx>: Recipient
    address rejected: User unknown in relay recipient table