Subject: Undeliverable: Season’s greetings from Scandinavia!

From: <[email-masked]>
Date: Thu, 15 Jan 2026 13:31:52 +0000

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6_4853_714636_bounce    Office 365      earaujo
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SPF validation error

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Status code: 550 5.7.23

This error occurs when Sender Policy Framework (SPF) validation for the sender's domain fails. If you're the sender's email admin, make sure the SPF records for your domain at your domain registrar are set up correctly. Office 365 supports only one SPF record (a TXT record that defines SPF) for your domain. Include the following domain name: spf.protection.outlook.com. If you have a hybrid configuration (some mailboxes in the cloud, and some mailboxes on premises) or if you're an Exchange Online Protection standalone customer, add the outbound IP address of your on-premises servers to the TXT record.

For more information and instructions about configuring SPF records see Customize an SPF record to validate outbound mail sent from your domain<https://technet.microsoft.com/library/dn789058(v=exchg.150).aspx> and also External Domain Name System records for Office 365<https://support.office.com/article/External-Domain-Name-System-records-for-Office-365-c0531a6f-9e25-4f2d-ad0e-a70bfef09ac0#BKMK_SPFrecords>.

Original Message Details
Created Date:   1/15/2026 1:31:21 PM
Sender Address: [email-masked]
Recipient Address:      [email-masked]
Subject:        Season’s greetings from Scandinavia!

Error Details
Error:  550 5.7.23 <[email-masked]>: Recipient address rejected: Message rejected due to: SPF fail - not authorized. Please see http://www.openspf.net/Why?s=mfrom;id=[email-masked];ip=40.93.23.36;r=<UNKNOWN>
Message rejected by:    vsm488.vertip.net

Notification Details
Sent by:        CPWP152MB5859.LAMP152.PROD.OUTLOOK.COM

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8       1/15/2026
1:31:40 PM      DS7PR03CA0177.namprd03.prod.outlook.com CPWP152MB5859.LAMP152.PROD.OUTLOOK.COM  Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384)    15 sec

Original Message Headers

From: NW Production <[email-masked]>
To: [email-masked]
Reply-To: [email-masked]
Subject: Season’s greetings from Scandinavia!
Date: Thu, 15 Jan 2026 14:31:21 +0100
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Subject: Season’s greetings from Scandinavia!
From: NW Production <[email-masked]>
To: [email-masked]
Date: Thu, 15 Jan 2026 14:31:21 +0100

www.nwproduction.se-  Your Conference & event agency for corporate clients and a DMC for the Nordic Countries! Season’s greetings from ScandinaviaAt NW Production, we look forward to another year filled with meaningful connections, creative events, and memorable experiences. Together, we create experiences that strengthen teams, inspire people, and truly make a difference — let’s make 2026 a year to remember.We deliver Scandinavian experiencesFor international companies looking to explore the best of Scandinavia, we create curated experiences that combine local insight, flawless execution, and unforgettable moments.Our experiences are designed to showcase the region’s nature, culture, and way of life — while strengthening relationships and creating lasting memories.
We create and manage:• Curated Scandinavian experiences and journeys • Incentive programs across the Nordic region • Unique corporate retreats in nature and urban settings • Cultural, culinary and outdoor experiences • End-to-end project management — from concept to on-site deliveryMore than a destination: a complete experienceWith deep local knowledge and a strong network across Scandinavia, we give you access to places, people and experiences you wouldn’t find on your own.
From remote landscapes and iconic cities to authentic local encounters, we ensure every detail is handled — so you can focus on the experience itself.Why Scandinavia with NW Production?• Local expertise with international perspective • Trusted partners across the Nordic region • Seamless delivery, wherever your journey takes you • Experiences designed with purpose, quality and sustainability in mindDon't forget to visit our website www.nwproduction.seContact us for more information and let us help you plan your next unforgettable experience! Don't forget to visit our social channels that you will find further down on the page, for more inspiration!Greetings from us at NW Production!