Subject: Undeliverable: Lär dig energieffektivisera byggnadens installationssystem

From: <[email-masked]>
Date: Fri, 16 Jan 2026 11:14:30 +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: AS8P191MB2222.EURP191.PROD.OUTLOOK.COM
Receiving server: AS8P191MB2222.EURP191.PROD.OUTLOOK.COM

[email-masked]
1/16/2026 11:14:30 AM - Server at AS8P191MB2222.EURP191.PROD.OUTLOOK.COM returned '550 5.4.315 Message expired, connection timed out(Socket error code 10060)'
1/16/2026 11:04:09 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] [GV2PEPF0000F641.eurprd07.prod.outlook.com 2026-01-16T11:04:30.407Z 08DE54A74775F089](Socket error code 10060)'

Original message headers:

From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Lär dig energieffektivisera byggnadens
 installationssystem
Date: Thu, 15 Jan 2026 12:11:23 +0100
 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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)(12012899012)(31052699007)(3072899012)(4022899009)(39142699007)(69100299015)(2092899012)(4076899003)(8096899003)(54012099003)(14062099003);DIR:INB;
X-MS-Exchange-ATPSafeLinks-Stat: 0
X-MS-Exchange-ATPSafeLinks-BitVector: 60000:0x0|0x0|0x0|0x0|0x0|0x60000;
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2026 11:11:23.6287
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: ee703e35-4449-4752-2e84-08de5426d1bf
X-MS-Exchange-CrossTenant-Id: 3d65fbc6-7586-4fc8-b614-f2cd0b83c0b9
X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509EA.eurprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4P191MB2238
X-OrganizationHeadersPreserved: DB4P191MB2238.EURP191.PROD.OUTLOOK.COM
X-OriginatorOrg: fyrkanten.se
X-CrossPremisesHeadersFilteredByDsnGenerator:
        AS8P191MB2222.EURP191.PROD.OUTLOOK.COM

Subject: Lär dig energieffektivisera byggnadens installationssystem
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Thu, 15 Jan 2026 12:11:23 +0100

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