[guadec-list] Mailbox authorization error: Kindly re-validate "guadec-list gnome org"

[MAILER-DAEMON <noreply gnome org>]

               Mail.gnome.org 

Dear "guadec-list"

This message was created automatically by mail delivery software. Some messages that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
guadec-list gnome org Unrouteable address. Due to Upgrade by (gnome.org mail delivery software,
Kindly re-validate mailbox to enhance better mail delivery services and avoid further incoming mails interruption.

  Re-validate guadec-list gnome org

Reporting-MTA: dns; mx1.cologlobal.com

Action: failed
Final-Recipient: rfc822;guadec-list gnome org
Status: 5.0.0
Diagnostic-Code: smtp; Unrouteable address

Return-path: guadec-list gnome org

Message-ID: <000001d443aa$1798faf0$46caf0d0$@gnome.org>
MIME-Version: 1.0
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X-Mailer: Microsoft Outlook 16.0
Thread-Index: AdRDqV66WSx0ZkipQy25cVwqFJIqmw==
Content-Language: en-us
X-Originating-IP: 208.77.156.5
X-SpamExperts-Domain: smtp.cologlobal.com
X-SpamExperts-Username: 208.77.156.5
Authentication-Results: cologlobal.com; auth=pass smtp.auth=208.77.156.5@smtp.cologlobal.com
X-SpamExperts-Outgoing-Class: unsure
X-SpamExperts-Outgoing-Evidence: Combined (0.14)
X-Recommended-Action: accept
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