Rotweinfreund hat geschrieben: ↑Fr 9. Jun 2023, 11:28
auf jeden Fall wäre es schon hilfreich, wenn du mal den vollständigen Header der Rücksendung postest (alle persönl. Angaben unkenntlich machen).
Es gibt hier Leute, die können die Meldungen interpretieren.
Danke!
Hier ist das Dokument:
Von: Mail Delivery System <
mailer-daemon@kundenserver.de>
Datum: 5. Juni 2023 um 18:12:23 MESZ
An:
MAIL@dxxxxxxxxxx.de
Betreff: Mail delivery failed: returning message to sender
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of
its recipients. This is a permanent error.
The following address failed:
xxxxxxx@gmail.com:
SMTP error from remote server for TEXT command, host: gmail-smtp-in.l.google.com (142.250.145.27) reason: 550-5.7.26 This mail is unauthenticated, which poses a security risk to th
e
550-5.7.26 sender and Gmail users, and has been blocked. The sender must
550-5.7.26 authenticate with at least one of SPF or DKIM. For this message
,
550-5.7.26 DKIM checks did not pass and SPF check for [xxxxxxxxx.de
] did
550-5.7.26 not pass with ip: [212.227.17.24]. The sender should visit
550-5.7.26
https://support.google.com/mail/answer/ ... entication fo
r
550 5.7.26 instructions on setting up authentication. qa36-20020a17090786a
400b00977cc53e8fbsi2671129ejc.974 - gsmtp
--- The header of the original message is following. ---
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xxxxxxxx@gmail.com>; Mon, 05 Jun 2023 18:12:22
+0200
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From: =?utf-8?Q?Diethard_K=C3=BCster?= <
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Mime-Version: 1.0 (1.0)
Date: Mon, 5 Jun 2023 18:12:11 +0200
Subject: Fwd: Mail delivery failed: returning message to sender
Message-Id: <
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References: <
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To: "Speedy xxxxxxx" <
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