Reporting-MTA: dns; zproxy02.u-bourgogne.fr
X-Postfix-Queue-ID: 298C12D446F
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Thu, 16 Mar 2023 10:59:08 +0100 (CET)

Final-Recipient: rfc822; xxx@xxxxxx.xxxxxxxxxxx.xx
Original-Recipient: rfc822;xxx@xxxxxx.xxxxxxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; listes.u-bourgogne.fr
Diagnostic-Code: smtp; 550 5.1.1 <xxx@xxxxxx.xxxxxxxxxxx.xx>... User unknown