Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Thu, 15 Jan 2026 13:32:01 +0000

This is the mail delivery agent at Symantec Email Security.cloud.

I was unable to deliver your message to the following addresses:

[email-masked]

Reason: 550 5.7.64 TenantAttribution; Relay Access Denied [BL6PEPF00020E66.namprd04.prod.outlook.com 2026-01-15T13:32:01.389Z 08DE4E771C7E6C1B]

The message subject was: Season’s greetings from Scandinavia!
The message date was: Thu, 15 Jan 2026 14:31:44 +0100
The message identifier was: 6C/D6-16423-F4CE8696
The message reference was: server-4.tower-944.messagelabs.com!1768483916!185221!1

Please do not reply to this email as it is sent from an unattended mailbox.
Contact your email administrator if you need more information, or
instructions for resolving this issue.

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This email has been scanned by the Symantec Email Security.cloud service.
For more information please visit http://www.symanteccloud.com
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