Reporting-MTA: dns; smtp.kimittud.hu
X-Postfix-Queue-ID: 135463F1FC
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xx
Arrival-Date: Fri, 17 Apr 2026 07:46:16 +0000 (UTC)

Final-Recipient: rfc822; xxxxxxxxxxxxx@xxxxxx.xx
Original-Recipient: rfc822;xxxxxxxxxxxxx@xxxxxx.xx
Action: failed
Status: 4.7.1
Remote-MTA: dns; mail.integranet.hu
Diagnostic-Code: smtp; 450 4.7.1 <3.76.14.166>: Client host rejected: Service
    unavailable