Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 15 Jan 2026 19:03:03 +0530

The following message to <[email-masked]> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 550-'5.1.1 <[email-masked]> User unknown; rejecting'

Subject: Season’s greetings from Scandinavia!
From: NW Production <[email-masked]>
To: [email-masked]
Date: Thu, 15 Jan 2026 14:32:15 +0100