Reporting-MTA: dns; fx12.security-mail.net
X-Postfix-Queue-ID: 50AE7334C5E2
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xx
Arrival-Date: Wed, 14 Oct 2026 00:10:34 +0200 (CEST)

Final-Recipient: rfc822; xxxx@xxxxxxxxxx.xx
Original-Recipient: rfc822;xxxx@xxxxxxxxxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; smtp-in.univ-rouen.fr
Diagnostic-Code: smtp; 550 5.1.1 <xxxx@xxxxxxxxxx.xx>: Recipient address
    rejected: undeliverable address: host
    maille.univ-rouen.fr[/var/run/dovecot/lmtp] said: 550 5.1.1
    <xxxx@xxxxxxxxxx.xx> User doesn't exist: xxxx@xxxxxxxxxx.xx (in reply to
    RCPT TO command)