Reporting-MTA: dns; pr-mta-externe-in03.localdomain
X-Postfix-Queue-ID: C249A2051
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Wed, 14 Oct 2026 13:15:05 +0200 (CEST)

Final-Recipient: rfc822; xxxxxxxx.xxxxxx@xxxxxxxxxxxxx.xx
Original-Recipient: rfc822;xxxxxxxx.xxxxxx@xxxxxxxxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; mta.in.ac-nancy-metz.fr
Diagnostic-Code: smtp; 550 5.1.1 <xxxxxxxx.xxxxxx@xxxxxxxxxxxxx.xx>: Recipient
    address rejected: User unknown in relay recipient table