Skip to main content
New AI-powered DMARC analysis + open REST API See how → →

Blog

Expert guides on SPF, DKIM, DMARC, and email security.

Foundational 15 min

Does forwarding mailers affect DMARC alignment and how to mitigate?

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 5 min

Microsoft Halts Phishing, Calendly Invite Danger, OpenAI Security Incident

Microsoft Halts Phishing, Calendly Invite Danger, OpenAI Security Incident from DMARC Report explains practical steps for email authentication, domain.

Foundational 8 min

A Records Vs. Alias Records - A Guide By DMARCReport

When managing a domain, one of the choices you'll face is how to configure your DNS (Domain Name System) records.

Foundational 6 min

What causes DMARC false positives, and how can you fix them?

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 15 min

Best Tools For Bulk DMARC Lookup Across Hundreds Of Domains?

The best tools for bulk DMARC lookup across hundreds of domains are a mix of commercial SaaS platforms (e.g.

Foundational 7 min

Benefits And Risks Of Penetration Testing - By DMARCReport

As cyber threats escalate in frequency and sophistication, companies can no longer treat security as an afterthought.

Foundational 10 min

How Does DMARC Analyzer Compare To Mxtoolbox, Valimail, And Dmarcian For Easing Dmarc Setup?

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 9 min

Answering Your Webinar Questions: Email Security - From The Desk Of DMARCReport

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 12 min

Best DMARC Checker Tools Comparing Dmarcian, Mxtoolbox, And Proofpoint

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 4 min

How to Secure Your iCloud Email with DMARC

Email spoofing remains one of the common tricks used to impersonate trusted senders, targeting iCloud users.

Foundational 7 min

A-Records Vs. Aaaa-Records: What You Need To Know

If you’ve ever managed a domain or hosted a website, you’ve likely encountered DNS records - but not all DNS records are created equal.

Foundational 10 min

Best Tools For Generating DMARC Records For Small Businesses With Minimal It Staff?

For small businesses with minimal IT staff, the best DMARC record generators are GUI-based wizards - especially DMARC Report’s DMARC Wizard - alongside dmarcian.

Foundational 5 min

What’s PII and how to protect it in emails?

What’s PII and how to protect it in emails? from DMARC Report explains practical steps for email authentication, domain protection, deliverability, and DMARC.

Foundational 7 min

DMARCReport Breaks Down the 6 Most Critical Data Loss Prevention Strategies

In today’s digital-first world, data isn’t just an asset - it’s the foundation of business value, reputation, and trust.

Foundational 4 min

US Finance Breach, Disappointing Black Friday, JLR Cyber Incident

SitusAMC breach exposes data tied to Citi, Morgan Stanley, and JPMorgan, 6.4M Black Friday phishing attempts hit retail, and JLR books a $220M cyber loss.

Foundational 7 min

12 Common Types Of DDOS Attacks - Explained By DMARCReport

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 8 min

10 Critical Learnings From Verizon’s 2021 DBIR - A DMARCReport Perspective

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 8 min

10 Smart Strategies To Safeguard Your Data - Insights From DMARCReport

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 5 min

DMARC Aggregate Reports: GDPR/CCPA Compliance Checklist

DMARC aggregate (RUA) reports help teams see who is sending on their behalf, whether SPF and DKIM align, and where spoofing attempts originate.

Foundational 11 min

5 Best Practices For Securing Your Security Token Service (Sts) Authentication

5 Best Practices For Securing Your Security Token Service (Sts) Authentication from DMARC Report explains practical steps for email authentication, domain.

Foundational 4 min

DMARC: Your silent shield in a billion-dollar battle against phishing

DMARC: Your silent shield in a billion-dollar battle against phishing from DMARC Report explains practical steps for email authentication, domain protection.

Foundational 5 min

Secure Passkey Protection, Dismantling Lighthouse Phishing, Manufacturers Need Protection

Secure Passkey Protection, Dismantling Lighthouse Phishing, Manufacturers Need Protection from DMARC Report explains practical steps for email.

Foundational 12 min

10 Reasons SPF Filtering Is Critical For Email Security

The evolution of digital threats requires organizations to adopt robust email authentication methods.

Foundational 11 min

7 Easy Steps To Verify An Spf Record Using Nslookup Properly

Securing your organization’s email domain against spoofing and improving email deliverability requires robust email authentication mechanisms.

uncategorized 8 min

DNSSEC: The ultimate shield for your domain’s security

DNSSEC: The ultimate shield for your domain’s security

Foundational 12 min

10 DNS Blacklist Insights That Improve Email Security And Deliverability Fast

In the world of email communication, maintaining a strong sender reputation is essential for ensuring that messages reach their intended inboxes.

Foundational 4 min

Delhi Airport Cyberattack, Clickfix Phishing-Purerat, Linkedin Targeting-Threats

Delhi Airport Cyberattack, Clickfix Phishing-Purerat, Linkedin Targeting-Threats Domain spoofing is trivially easy without DMARC enforcement, says Brad Slavin.

Foundational 4 min

Consequences of poor DMARC hygiene

DMARC (RFC 7489) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible From header.

Foundational 10 min

10 Ways Modern SPF Software Prevents Brand Spoofing And Phishing

Phishing remains the #1 initial access vector for cyberattacks, and email authentication (SPF + DKIM + DMARC) is the primary technical defense.

Foundational 12 min

10 Email Spoofing Detection Tools That Dramatically Improve Brand Protection

Email spoofing is trivially easy without DMARC enforcement - any attacker can forge the From header to make an email appear to come from your domain.