Subject: Undeliverable: Den mest lönsamma energisparåtgärden är ...

From: <[email-masked]>
Date: Wed, 15 Oct 2025 08:36:03 +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: DB4PR03MB8660.eurprd03.prod.outlook.com
Receiving server: DB4PR03MB8660.eurprd03.prod.outlook.com

[email-masked]
10/15/2025 8:36:03 AM - Server at DB4PR03MB8660.eurprd03.prod.outlook.com returned '550 5.4.315 Message expired, connection timed out(Socket error code 10060)'
10/15/2025 8:25:41 AM - Server at remote.bodenror.se (81.235.207.157) returned '450 4.4.315 Connection timed out [Message=Socket error code 10060] [LastAttemptedServerName=remote.bodenror.se] [LastAttemptedIP=81.235.207.157:25] [SmtpSecurity=-2;-2] [AM2PEPF0003B35A.eurprd07.prod.outlook.com 2025-10-15T08:26:02.881Z 08DE083AAF7407C1](Socket error code 10060)'

Original message headers:

From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Den mest lönsamma energisparåtgärden är ...
Date: Tue, 14 Oct 2025 10:30:36 +0200
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X-Forefront-Antispam-Report: CIP:85.118.203.81;CTRY:SE;LANG:sv;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:post.nuhet.se;PTR:post.nuhet.se;CAT:NONE;SFS:(13230040)(3072899012)(4022899009)(69100299015)(12012899012)(2092899012)(8096899003)(4076899003);DIR:INB;
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2025 08:30:44.3648
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 8f8e9174-553f-4bd8-4033-08de0afbf83e
X-MS-Exchange-CrossTenant-Id: 455a9169-c65a-4abc-9d5a-88313a735db3
X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF0000004C.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA3PR03MB10987
X-OrganizationHeadersPreserved: PA3PR03MB10987.eurprd03.prod.outlook.com
X-OriginatorOrg: bodenror.se
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Subject: Den mest lönsamma energisparåtgärden är ...
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Tue, 14 Oct 2025 10:30:36 +0200

Installationsteknisk energieffektiviseringKurs om hur man driftoptimerar och energieffektiviserar byggnader 
med installationstekniska åtgärder.