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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:

  [email protected]
    host gmail-smtp-in.l.google.com [142.251.2.26]
    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 [business53.web-hosting.com] with ip:
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--1703951042-eximdsn-1749600043
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Reporting-MTA: dns; business53.web-hosting.com

Action: failed
Final-Recipient: rfc822;[email protected]
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
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 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 b23-20020a656697000000b005c68da9ca8asi12679070pgw.787 - gsmtp

--1703951042-eximdsn-1749600043
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https://wordpress.org/support/forums/

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