Subject: Undeliverable: Ny kurs: Värmepump som ersättning eller komplement till värmepanna eller fjärrvärme

From: <[email-masked]>
Date: Wed, 21 Jan 2026 11:16:00 +0000

Delivery has failed to these recipients or groups:

[email-masked]<mailto:[email-masked]>
Your message couldn't be delivered. Despite repeated attempts to deliver your message connection time outs with the recipient's email server prevented delivery.

Contact the recipient by some other means (by phone, for example) and ask them to tell their email admin that it appears that their email system is timing out when your email system is trying to connect to it. Give them the error details shown below. It's likely that the recipient's email admin is the only one who can fix this problem.

For more information and tips to fix this issue see this article: https://go.microsoft.com/fwlink/?LinkId=389361.

Diagnostic information for administrators:

Generating server: DU0PR08MB8472.eurprd08.prod.outlook.com
Receiving server: DU0PR08MB8472.eurprd08.prod.outlook.com

[email-masked]
1/21/2026 11:16:00 AM - Server at DU0PR08MB8472.eurprd08.prod.outlook.com returned '550 5.4.315 Message expired, connection timed out(Socket error code 10060)'
1/21/2026 11:11:24 AM - Server at webmail.lindab.com (9.223.57.0) returned '450 4.4.315 Connection timed out [Message=Socket error code 10060] [LastAttemptedServerName=webmail.lindab.com] [LastAttemptedIP=9.223.57.0:25] [SmtpSecurity=-2;-2] [AM7PEPF0000004D.eurprd07.prod.outlook.com 2026-01-21T11:11:45.357Z 08DE5446D1ABB79A](Socket error code 10060)'

Original message headers:

From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Ny kurs: Värmepump som ersättning
 eller komplement till värmepanna eller
 fjärrvärme
Date: Tue, 20 Jan 2026 12:11:43 +0100
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Subject: Ny kurs: Värmepump som ersättningeller komplement till värmepanna ellerfjärrvärme
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Tue, 20 Jan 2026 12:11:43 +0100

Ny värmepump med fokus
på prestanda och livslängdKurs om hur värmepumpar installeras för att hålla projekterad prestanda med tillåtna köldmedier under sin tekniska livslängd. Vid ersättning eller komplettering av fjärrvärme, värmepanna eller befintlig värmepump.