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User: firststeps (1017)
PHP: 7.3.33
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Subject: Mail delivery failed: returning message to sender
Message-Id: <E1rtJnf-0006qC-Po@cat17246.lnwhostname.com>
Date: Sun, 07 Apr 2024 11:06:35 +0700

--1712462795-eximdsn-11883855
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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(es) failed:

  zigzaggoods@gmail.com
    host gmail-smtp-in.l.google.com [142.251.10.26]
    SMTP error from remote mail server after end of data:
    550-5.7.26 This mail has been blocked because the sender is unauthenticated.
    550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.
    550-5.7.26
    550-5.7.26  Authentication results:
    550-5.7.26  DKIM = did not pass
    550-5.7.26  SPF [cat17246.lnwhostname.com] with ip:
    [122.155.17.246] = did not
    550-5.7.26 pass
    550-5.7.26
    550-5.7.26  For instructions on setting up authentication, go to
    550 5.7.26  https://support.google.com/mail/answer/81126#authentication j13-20020a170903024d00b001dcfadc1cffsi4136261plh.392 - gsmtp

--1712462795-eximdsn-11883855
Content-type: message/delivery-status

Reporting-MTA: dns; cat17246.lnwhostname.com

Action: failed
Final-Recipient: rfc822;zigzaggoods@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 This mail has been blocked because the sender is unauthenticated.
 550-5.7.26 Gmail requires all senders to authenticate with either SPF or DKIM.
 550-5.7.26
 550-5.7.26  Authentication results:
 550-5.7.26  DKIM = did not pass
 550-5.7.26  SPF [cat17246.lnwhostname.com] with ip: [122.155.17.246] = did not
 550-5.7.26 pass
 550-5.7.26
 550-5.7.26  For instructions on setting up authentication, go to
 550 5.7.26  https://support.google.com/mail/answer/81126#authentication j13-20020a170903024d00b001dcfadc1cffsi4136261plh.392 - gsmtp

--1712462795-eximdsn-11883855
Content-type: text/rfc822-headers

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	for zigzaggoods@gmail.com; Sun, 07 Apr 2024 11:06:30 +0700
To: zigzaggoods@gmail.com
Subject: jistě, doufám, že odpovíš.
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Content-Type: multipart/alternative;boundary=d4ddd2ec1cdc672b629803a2d0d73b4e
From: lesyaivano.v.a.19.8.3li <lesyaivano.v.a.19.8.3li@firststepstudioarch.com>
Reply-To: lesyaiv.ano.va.1.9.83.l.i@gmail.com
Message-Id: <E1rtJna-0006q4-JN@cat17246.lnwhostname.com>
Sender:  <firststeps@cat17246.lnwhostname.com>
Date: Sun, 07 Apr 2024 11:06:30 +0700
X-Exim-DSN-Information: Due to administrative limits only headers are returned


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