sender authentication package Archives | Digital Marketing on Cloud

Microsoft Slams the Gate on Unverified Senders: Are Your Emails Ready for the Moat?

Starting May 5, 2025, Microsoft now outright rejects bulk emails that fail SPF, DKIM, and DMARC authentication. If you’re sending more than 5,000 emails per day to Outlook, Hotmail, or Live users, this blog breaks down exactly what changed, why it matters, and how to stay compliant. Especially if you use Salesforce Marketing Cloud. Learn how to avoid the dreaded 550 5.7.515 bounce, set up Reply Mail Management, and turn your inbox into a deliverability superpower.

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Sending emails in SFMC from existing domain

Deliverability / Lukas Lunow

You might already know, that you can use either a Sender Authentication Package or Private Domain to brand your emails, so the sender email address reflects your brand. In almost all cases, this sender domain is a subdomain to your business domain. Assuming your website is based on example.com, the sender domain can be mail.example.com

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Upcoming changes and guidelines from Google and Yahoo

Leave a Comment / Deliverability / Lukas Lunow

Are you panicking, realising it is now 2024, and Google along with Yahoo will start enforcing some added protection mechanisms to safeguard their users against spam? Do you feel your engagement rates at risk, asking yourself what they mean by one-click unsubscribe? Let me calm you down and explain that you, as a Salesforce Marketing

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What is a Sender Authentication Package in Marketing Cloud?

Leave a Comment / Deliverability / Lukas Lunow

Sender Authentication Package (SAP) features include Private Domain for Email sending, Custom Domain for CloudPages, Account Branding with view-as-webpage, link and image wrapping, Dedicated IP Address, and Reply Mail Management. While these features can be purchased individually, the view-as-webpage, link and image wrapping that brands your account only comes with SAP.

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Private Domains in Marketing Cloud – your ultimate guide

1 Comment / Deliverability / Lukas Lunow

There can be some confusion on how and when to use Private Domain on Marketing Cloud vs a Sender Authentication Package. It took me some time to understand this myself, and I will share some key findings here.

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What is email authentication, and why does it matter?

Leave a Comment / Deliverability / Lukas Lunow

Email authentication helps to ensure that an email message was sent by the domain it claims to be sent from, and that the message has not been modified in transit. Authentication is the effort to equip messages with enough verifiable information so that recipients (ISPs and end consumers) can recognize the nature of each message

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How do I brand my sender in Salesforce Marketing Cloud?

Leave a Comment / Deliverability / Lukas Lunow

I have an existing SFMC setup, with a warm private IP address and an authenticated domain already. I am launching a new product and therefore want to set up a NEW sending domain to send from. If I want to start sending from it, using new sender domain, will I need to purchase a new

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Marketing Cloud DMARC

Leave a Comment / Deliverability / Lukas Lunow

DMARC, which stands for “Domain-based Message Authentication, Reporting & Conformance”, is an email authentication protocol. It builds on the widely deployed SPF and DKIM protocols, adding a reporting function that allows senders and receivers to protect and monitor fraudulent use of a domain in email. DMARC allows domain owners, including ISPs and webmail providers, to

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Marketing Cloud DKIM FAQ

2 Comments / Deliverability / Lukas Lunow

Frequently Asked Questions (FAQ) Regarding DKIM keys and DKIM DNS entries Q: Why is the DKIM TXT entry so long? A: Your DKIM key is a 2048 bit key, which results in a single, multi-string text record. This enhances security and better protects against spam and spoofing. The reason it is multi-string is because there

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Ensuring Email Deliverability

Leave a Comment / Deliverability / Lukas Lunow

– focusing on Email Authentication Disclaimer: Opinions in this post are my own and do not necessarily express my employer’s opinions. Email channel is more important than ever before, which inspired me to share some of my personal experiences with emails, deliverability, and what I have done before to ensure emails are set all the way through

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