Your business emails might be landing in junk folders, even if everything seems to be working just fine.
Microsoft recently announced a major change to how Outlook handles high-volume email senders. Starting May 5, 2025, if your business sends more than 5,000 emails per day and your domain isn’t properly configured with SPF, DKIM, and DMARC, your messages could automatically be flagged as spam or routed to the junk folder.
This shift is part of Microsoft’s broader effort to improve inbox security and stop spoofing, phishing, and impersonation. While these protocols have existed for years, enforcement has been minimal - until now.
What CEOs and Business Owners in Austin Need to Know
If you’re a business owner or executive in Austin, TX, here’s the bottom line: email authentication is no longer optional. Without it, you risk missing out on sales, slowing down operations, and damaging your brand’s reputation.
SPF, DKIM, and DMARC aren’t just acronyms - they’re your domain’s proof of legitimacy. Together, they confirm that the emails sent on behalf of your company are actually from you and haven’t been tampered with in transit.
Unfortunately, these settings live in your domain’s DNS records, and configuring them incorrectly can cause even more issues, including blocking your own email delivery.
Don’t Let Outlook Decide Your Fate
Outlook will begin routing non-compliant messages to junk on May 5. If the issues remain unresolved, Microsoft may start rejecting those emails altogether.
Here’s how CTTS helps you stay ahead:
- We audit your domain’s current SPF, DKIM, and DMARC records
- We coordinate with your email providers to apply the correct configurations
- We monitor your deliverability so your messages hit the inbox—not the junk folder
This isn’t just about following Microsoft’s rules. It’s about protecting your business and communicating with confidence.
Email Security Is Brand Protection
For many Austin businesses, email is the primary tool for engaging customers, sending invoices, closing deals, and managing internal communication. A breakdown in that system—even if caused by something technical behind the scenes—can cost thousands in lost revenue and productivity.
That’s why we manage this process proactively for our clients. With CTTS handling your IT services, you don’t have to worry about technical compliance or delivery issues. We make sure your systems are aligned with current best practices, giving you peace of mind and better results.
Reach out to us today to learn more about how to keep your emails from being delivered to junk.
📞 (512) 388-5559
FAQs About Email Security
1. Do I need to worry about these rules if I don’t send 5,000 emails a day?
Yes. While enforcement starts with high-volume senders, adopting SPF, DKIM, and DMARC now protects your reputation and improves deliverability, regardless of volume.
2. What happens if I don’t update my email authentication settings by May 5?
Microsoft Outlook will begin routing your emails to the junk folder, and non-compliance may eventually lead to full rejection of your messages.
3. Can CTTS set up SPF, DKIM, and DMARC for me?
Absolutely. We’ll handle everything from DNS record configuration to ongoing deliverability monitoring so you can focus on running your business.