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PHP: 7.4.25
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	for suanchonac@mail.lnwhostname.com; Wed, 03 Sep 2025 13:28:36 +0700
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To: suanchonac@mail.lnwhostname.com
Content-Type: multipart/report; report-type=delivery-status; boundary=1756880916-eximdsn-156262279
MIME-Version: 1.0
Subject: Mail delivery failed: returning message to sender
Message-Id: <E1utgyy-00006I-Mr@mail.lnwhostname.com>
Date: Wed, 03 Sep 2025 13:28:36 +0700

--1756880916-eximdsn-156262279
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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:

  miliarbet.official@gmail.com
    host gmail-smtp-in.l.google.com [172.217.194.27]
    SMTP error from remote mail server after pipelined end of data:
    550-5.7.26 Your email 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 [mail.lnwhostname.com] with ip:
    [122.155.167.50] = did not 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 41be03b00d2f7-b4f42c87319si6362360a12.83 - gsmtp

--1756880916-eximdsn-156262279
Content-type: message/delivery-status

Reporting-MTA: dns; mail.lnwhostname.com

Action: failed
Final-Recipient: rfc822;miliarbet.official@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 Your email 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 [mail.lnwhostname.com] with ip: [122.155.167.50] = did not 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 41be03b00d2f7-b4f42c87319si6362360a12.83 - gsmtp

--1756880916-eximdsn-156262279
Content-type: message/rfc822

Return-path: <suanchonac@mail.lnwhostname.com>
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	for miliarbet.official@gmail.com; Wed, 03 Sep 2025 13:28:34 +0700
To: miliarbet.official@gmail.com
Subject: Success 4749219
X-PHP-Originating-Script: 1128:.574961325726564.php
From: smtp Shell#4749219 <notification@www2.suanchon.ac.th>
Reply-To: notification@www2.suanchon.ac.th
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Message-Id: <E1utgyv-00005s-45@mail.lnwhostname.com>
Sender:  <suanchonac@mail.lnwhostname.com>
Date: Wed, 03 Sep 2025 13:28:33 +0700

Valid for work #4749219

--1756880916-eximdsn-156262279--
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