Subject: Delivery Status Notification (Failure)

From: "Mail Delivery System" <[email-masked]>
Date: 20 Jan 2026 12:12:02 +0100

The following message to <[email-masked]> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied. For more information see https://aka.ms/EXOSmtpErrors [AM4PEPF00027A69.eurprd04.prod.outlook.com 2026-01-20T11:12:03.105Z 08DE546BC32B1E0A]'

Subject: Ny kurs: Värmepump som ersättningeller komplement till värmepanna ellerfjärrvärme
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Tue, 20 Jan 2026 12:12:02 +0100