Reporting-MTA: dns; smtp.kimittud.org
X-Postfix-Queue-ID: 6F106215AA
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxxxx.xxx
Arrival-Date: Sat, 18 Dec 2021 09:09:52 +0000 (UTC)

Final-Recipient: rfc822; xxxxxxx@xxxxxxxx.xxxxxxxx.xx
Action: failed
Status: 4.1.2
Remote-MTA: dns; mx.t-online.hu
Diagnostic-Code: smtp; 421 4.1.2 <xxxxxxx@xxxxxxxx.xxxxxxxx.xx>: Recipient
    address rejected: The reverse name of your IP address doesn't map back to
    the same IP (see
    http://cgi.t-online.hu/bra02/mxtest.cgi?err=REVMAP&ip=52.57.14.250 for
    details)