Reporting-MTA: dns; smtp.kimittud.hu
X-Postfix-Queue-ID: 761693F874
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xx
Arrival-Date: Wed, 11 Feb 2026 06:54:12 +0000 (UTC)

Final-Recipient: rfc822; xxxx@xxxx.xx
Original-Recipient: rfc822;xxxx@xxxx.xx
Action: failed
Status: 5.0.0
Remote-MTA: dns; hita.hu
Diagnostic-Code: smtp; 503 This mail server requires authentication when
    attempting to send to a non-local e-mail address. Please check your mail
    client settings or contact your administrator to verify that the domain or
    address is defined for this server.