Reporting-MTA: dns; mx04.cloud.vadesecure.com
X-vceu5mtai04p-Queue-ID: 4PcjPf5271z3hmc
X-vceu5mtai04p-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Thu, 16 Mar 2023 10:58:14 +0100 (CET)

Final-Recipient: rfc822; xxx@xxxxxxxxxxxxxxxxxx.xx
Original-Recipient: rfc822;xxx@xxxxxxxxxxxxxxxxxx.xx
Action: failed
Status: 5.0.0
Remote-MTA: dns; korolev.univ-paris-diderot.fr
Diagnostic-Code: smtp; 550 5.0.0 <xxx@xxxxxxxxxxxxxxxxxx.xx>... User unknown