Subject: Mail Delivery Failure

From: Mail Delivery System <[email-masked]>
Date: Tue, 19 Aug 2025 13:02:58 +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 [SJ1PEPF00002327.namprd03.prod.outlook.com 2025-08-19T13:02:58.398Z 08DDDC096C933C7B]

The message subject was: Get Ready for a Cool New Experience in Copenhagen!
The message date was: Tue, 19 Aug 2025 15:02:53 +0200
The message identifier was: 56/07-14114-10674A86
The message reference was: server-2.tower-944.messagelabs.com!1755608574!350409!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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