Email Security Blog – DMARC, SPF, DKIM Insights

SPF Guides

What Is SPF (Sender Policy Framework) and How Does It Protect Your Email?

Every day millions of emails are sent with forged sender addresses. Cybercriminals impersonate your domain to deceive your customers, employees, and partners. Sender Policy Framework - SPF for short - is one of the oldest and most widely deployed defences against this.

8 min read Read More

SPF Guides

Why SPF “Fails” in DMARC Reports with Amazon WorkMail

If you are using Amazon WorkMail, this situation is very common. WorkMail sends through Amazon SES under the hood – and that has implications for DMARC SPF alignment

5 min read Read More

DMARC Guides

Why BIMI Is Important for Your Brand

BIMI lets verified brand logos show in inboxes. Learn the benefits, prerequisites, and how BIMI builds trust on top of SPF, DKIM, and DMARC.

5 min read Read More

SPF Setup

Why Your Company Should Implement DMARC Now

Learn how to optimize your SPF records, avoid the 10 DNS lookup limit, and improve email deliverability.

6 min read Read More

DKIM Configuration

Why Every Business Should Use DMARC

A clear guide explaining why every business needs DMARC to fight phishing, improve deliverability and meet new 2025 compliance rules, with insights on DMARCFlow as a GDPR-compliant EU solution.

7 min read Read More

Industry News

Why Your Cyber Insurance Could Be Useless Without DMARC

Insurers increasingly expect DMARC, SPF, and DKIM. Weak email security can raise premiums, reduce coverage, or even lead to claim denials.

5 min read Read More

Industry News

Where do I start? The best path for Microsoft 365 or Google Workspace

Learn how to begin with email authentication in Microsoft 365 and Google Workspace. Compare SPF, DKIM and DMARC setup and understand why DMARCFlow's EU-hosted platform offers a reliable path forward.

5 min read Read More

Industry News

What Is DMARC Compliance and How to Achieve It

Learn what DMARC compliance means, why it matters, and how to achieve it through SPF, DKIM configuration, policy enforcement, and reporting for email authentication.

5 min read Read More

DMARCFlow News