Microsoft is raising its authentication requirements… here are the best practices to follow to avoid seeing your emails end up in spam!
The benefits for your campaigns
In its article 6 tips for running effective email campaigns , OVHcloud recommends Sarbacane to boost the performance of your how to carry out your marketing planning for 2023 with good results campaigns. Here are some reasons why our solution stands out:
- Create campaigns that reflect your identity : Incorporate visual elements like your colors or logos to reinforce your brand image.
- Personalize your messages : Tailor content to your recipients using data such as their name or preferences, and test different variations to optimize impact.
- Choose the right time to send : Schedule your campaigns around the times when your audience is most active to maximize open rates.
- Clean your contact lists : Maintain a clean database to improve deliverability and target the most active contacts.
- Analyze and adjust your campaigns : Use performance statistics to identify what’s working and continually improve your mailings.
Sending more than 5,000 emails a day to Outlook.com? Get ready! Starting May 5, 2025, Microsoft is raising its authentication requirements , joining Google and Yahoo in their fight against spam and fraudulent emails.
What Microsoft expects from you by 2025
- SPF (Sender Policy Framework) : You’ll technical seo is primarily designed to help need to clearly indicate in your DNS who has the right to send emails on behalf of your domain. No more guesswork!
- DKIM (DomainKeys Identified Mail) : Every email must have a DKIM digital signature to prove its authenticity. Yes, every email, no free pass!
- DMARC (Domain-based Message Authentication, Reporting & Conformance) : Configure a DMARC policy at least p=none and align it with SPF or DKIM (although ideally, we recommend both!).
What if you don’t play the game?
Don’t panic… well, yes, a little anyway:
- Your emails may end up text services directly in the “Spam” folder.
- If you continue to ignore these rules, Microsoft may simply reject your emails. Ouch!
Why is Microsoft doing this?
Not to annoy you, we promise! The goal is to improve user security, reduce spam and phishing, and restore trust in inboxes.
Best practices for staying calm and compliant
- Perfect DNS you will have : Make sure SPF, DKIM and DMARC are impeccable.
- Monitor your reputation : Use Microsoft SNDS, Google Postmaster, or other effective tools to keep an eye on your reputation.
- Easy unsubscribe you will offer : Simplify your recipients’ lives with one-click unsubscription to avoid complaints.
By anticipating these changes, you’ll not only protect your reputation, but you’ll also boost your deliverability. And that’s always a good thing!
Article published on LinkedIn by Alexandre Baverel, Deliverability Manager at Sarbacane.