Subject: Undeliverable: Ny kurs: Värmepump som ersättning eller komplement till befintlig värmeförsörjning

From: <[email-masked]>
Date: Fri, 24 Oct 2025 07:33:56 +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: VI2P191MB2518.EURP191.PROD.OUTLOOK.COM
Receiving server: VI2P191MB2518.EURP191.PROD.OUTLOOK.COM

[email-masked]
10/24/2025 7:33:56 AM - Server at VI2P191MB2518.EURP191.PROD.OUTLOOK.COM returned '550 5.4.315 Message expired, connection timed out(Socket error code 10060)'
10/24/2025 7:23:35 AM - Server at mail.fyrkanten.se (83.223.7.39) returned '450 4.4.315 Connection timed out [Message=Socket error code 10060] [LastAttemptedServerName=mail.fyrkanten.se] [LastAttemptedIP=83.223.7.39:25] [SmtpSecurity=-2;-2] [AM2PEPF0003B360.eurprd07.prod.outlook.com 2025-10-24T07:23:56.561Z 08DE11E1DCCB6405](Socket error code 10060)'

Original message headers:

From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Ny kurs: =?utf-8?Q?V=C3=A4rmepump?= som =?utf-8?Q?ers=C3=A4ttning?=
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Date: Thu, 23 Oct 2025 09:31:18 +0200
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Subject: Ny kurs: Värmepump som ersättningeller komplement till befintlig värmeförsörjning
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Thu, 23 Oct 2025 09:31:18 +0200

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.