Subject: Undeliverable: Allt du behöver veta om konvertering till värmepump

From: <[email-masked]>
Date: Wed, 15 Oct 2025 06:34:40 +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: GVZP280MB1150.SWEP280.PROD.OUTLOOK.COM
Receiving server: GVZP280MB1150.SWEP280.PROD.OUTLOOK.COM

[email-masked]
10/15/2025 6:34:40 AM - Server at GVZP280MB1150.SWEP280.PROD.OUTLOOK.COM returned '550 5.4.317 Message expired, cannot connect to remote server(SubjectMismatch. Expected Subject: *.byggtjanst.se. Presented Subject: CN=mail.protection.outlook.com, O=Microsoft Corporation, L=Redmond, S=Washington, C=US. Thumbprint: F2882262EDFEB841F332A84FD8FBB1B06BBFC393.)'
10/15/2025 6:30:16 AM - Server at byggtjanst.se (52.101.68.0) returned '450 4.4.317 Cannot establish session with remote server [Message=SubjectMismatch. Expected Subject: *.byggtjanst.se. Presented Subject: CN=mail.protection.outlook.com, O=Microsoft Corporation, L=Redmond, S=Washington, C=US. Thumbprint: F2882262EDFEB841F332A84FD8FBB1B06BBFC393.] [LastAttemptedServerName=byggtjanst.se] [LastAttemptedIP=52.101.68.0:25] [SmtpSecurity=-1;-1] [MM1PEPF000000A0.SWEP280.PROD.OUTLOOK.COM 2025-10-15T06:30:16.962Z 08DE0B54EE775F5B](SubjectMismatch. Expected Subject: *.byggtjanst.se. Presented Subject: CN=mail.protection.outlook.com, O=Microsoft Corporation, L=Redmond, S=Washington, C=US. Thumbprint: F2882262EDFEB841F332A84FD8FBB1B06BBFC393.)'

Original message headers:

From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Allt du behöver veta om konvertering till
 värmepump
Date: Mon, 13 Oct 2025 08:21:18 +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)(69100299015)(31052699007)(39142699007)(12012899012)(4022899009)(2092899012)(3072899012)(4076899003)(8096899003)(13003099007);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: 13 Oct 2025 06:21:18.5496
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 8e8302b5-c9ec-46a1-961e-08de0a20b8ae
X-MS-Exchange-CrossTenant-Id: 3a30ee1f-674c-46d7-8d46-503a04259295
X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF00028D00.eurprd03.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MM0P280MB0964
X-OrganizationHeadersPreserved: MM0P280MB0964.SWEP280.PROD.OUTLOOK.COM
X-OriginatorOrg: byggtjanst.se
X-CrossPremisesHeadersFilteredByDsnGenerator:
        GVZP280MB1150.SWEP280.PROD.OUTLOOK.COM

Subject: Allt du behöver veta om konvertering tillvärmepump
From: Svensk Energiutbildning <[email-masked]>
To: [email-masked]
Date: Mon, 13 Oct 2025 08:21:18 +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, olje-, el- eller gaspanna.