Subject: Undeliverable: Lär dig energieffektivisera byggnadens installationssystem

From: <[email-masked]>
Date: Tue, 7 Oct 2025 06:09:36 +0000

Delivery has failed to these recipients or groups:

[email-masked]<mailto:[email-masked]>
Your message wasn't delivered. Despite repeated attempts to deliver your message, a connection to the remote server couldn't be made.

Contact the recipient by some other means (by phone, for example) and ask them to tell their email admin that it appears that your email system is unable to connecto their email system. 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: MM0P280MB0055.SWEP280.PROD.OUTLOOK.COM
Receiving server: MM0P280MB0055.SWEP280.PROD.OUTLOOK.COM

[email-masked]
10/7/2025 6:09:36 AM - Server at MM0P280MB0055.SWEP280.PROD.OUTLOOK.COM returned '550 5.4.317 Message expired, cannot connect to remote server(SubjectMismatch. Expected Subject: *.bravida.net. Presented Subject: CN=mail555.mymessagelabs.com, O=Broadcom Inc., L=Palo Alto, S=California, C=US. Thumbprint: 1B15ACD617DD4028597A5D4AC341E36070BD49C1.)'
10/7/2025 5:59:42 AM - Server at bravida.net (34.91.159.228) returned '450 4.4.317 Cannot establish session with remote server [Message=SubjectMismatch. Expected Subject: *.bravida.net. Presented Subject: CN=mail555.mymessagelabs.com, O=Broadcom Inc., L=Palo Alto, S=California, C=US. Thumbprint: 1B15ACD617DD4028597A5D4AC341E36070BD49C1.] [LastAttemptedServerName=bravida.net] [LastAttemptedIP=34.91.159.228:25] [SmtpSecurity=-1;-1] [GVX0EPF0000017A.SWEP280.PROD.OUTLOOK.COM 2025-10-07T05:59:44.109Z 08DE0360FFCC976B](SubjectMismatch. Expected Subject: *.bravida.net. Presented Subject: CN=mail555.mymessagelabs.com, O=Broadcom Inc., L=Palo Alto, S=California, C=US. Thumbprint: 1B15ACD617DD4028597A5D4AC341E36070BD49C1.)'

Original message headers:

Authentication-Results-Original: mx.messagelabs.com; spf=pass
   (server-5.tower-855.messagelabs.com: domain of post.nuhet.se designates
   85.118.203.81 as permitted sender) smtp.mailfrom=post.nuhet.se;   dkim=none
 (message not signed); dmarc=none (no record)   header.from=svenut.se
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Lär dig energieffektivisera byggnadens
 installationssystem
Date: Mon, 06 Oct 2025 08:01:24 +0200
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X-Forefront-Antispam-Report: CIP:195.245.230.105;CTRY:GB;LANG:sv;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail6.bemta41.messagelabs.com;PTR:mail6.bemta41.messagelabs.com;CAT:NONE;SFS:(13230040)(82310400026)(31092699021)(12012899012)(2092899012)(4022899009)(69100299015)(3072899012)(8096899003)(4076899003)(13003099007);DIR:INB;
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Oct 2025 06:01:32.0562
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: e183e1ca-2b11-4886-a2a5-08de049dce36
X-MS-Exchange-CrossTenant-Id: 6a6fd072-34e1-443b-b5a2-2b9bfdacd6e7
X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF00000191.eurprd05.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVZP280MB0917
X-OrganizationHeadersPreserved: GVZP280MB0917.SWEP280.PROD.OUTLOOK.COM
X-OriginatorOrg: bravidagroup.onmicrosoft.com
X-CrossPremisesHeadersFilteredByDsnGenerator:
        MM0P280MB0055.SWEP280.PROD.OUTLOOK.COM

Subject: Lär dig energieffektivisera byggnadens installationssystem
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Mon, 06 Oct 2025 08:01:24 +0200

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