What is a DMARC record and why does it matter for my email security?

What is a DMARC record and why does it matter for my email security?

A DMARC record is a DNS TXT policy that tells receiving mail servers how to handle emails that claim to be from your domain by verifying SPF/DKIM alignment, and it matters because it prevents spoofing, improves deliverability, and gives you visibility through reports to enforce authentication safely. DMARC (Domain-based Message Authentication, Reporting & Conformance) builds…

What are the basic components required to create a DMARC record?

What are the basic components required to create a DMARC record?

To create a DMARC record, you publish a DNS TXT record at _dmarc.yourdomain.com containing at least v=DMARC1 (this must be first) and p=(none|quarantine|reject), and you typically add optional tags like rua, ruf, pct, adkim, aspf, sp, fo, and ri to control reporting, alignment, rollout, and subdomain behavior. DMARC (Domain-based Message Authentication, Reporting, and Conformance) tells…

Understanding Proofpoint’s Inbound DMARC Handling — A DMARCReport Analysis

Understanding Proofpoint’s Inbound DMARC Handling — A DMARCReport Analysis

Email authentication standards like DMARC (Domain‑based Message Authentication, Reporting, and Conformance) have become indispensable in the fight against spoofing, phishing, and domain impersonation. Organizations rely on DMARC not only to protect their brand but also to ensure the authenticity of email traffic traversing the internet. At DMARCReport, we’re passionate about helping security teams, IT administrators,…

Ultimate DreamHost DMARC Setup Guide — By DMARCReport

Ultimate DreamHost DMARC Setup Guide — By DMARCReport

As email threats continue to grow, protecting your domain from phishing, spoofing, and fraudulent use of your brand is no longer a “nice-to-have” — it’s essential. And at the heart of strong email defense is DMARC — Domain-based Message Authentication, Reporting & Conformance. When implemented correctly, DMARC empowers domain owners to take control over how…

Email List Validation: The Essential Guide for Modern Email Marketers

Email List Validation: The Essential Guide for Modern Email Marketers

Email marketing remains one of the most powerful digital communication channels available today — and that’s not going to change anytime soon. Despite new platforms and tools emerging constantly, email continues to deliver unmatched ROI, engagement, and direct audience access. But the key to success in email marketing isn’t the size of your list —…

Email-Borne Insurance Scams: A Complete Guide to Understanding, Preventing & Securing Your Domain

Email-Borne Insurance Scams: A Complete Guide to Understanding, Preventing & Securing Your Domain

In today’s highly digital world, email remains one of the most essential communication channels for businesses — especially in the insurance industry. Unfortunately, as the industry embraces digital transformation, it also becomes an increasingly attractive target for cybercriminals leveraging email to defraud companies and unsuspecting policyholders alike. Email-borne insurance scams aren’t just an annoyance. When…

Understanding DMARC RFC: A Comprehensive Guide by DMARCReport

Understanding DMARC RFC: A Comprehensive Guide by DMARCReport

In today’s digital world, email remains one of the most powerful communication channels, but it is also one of the most abused. Every day, millions of malicious emails are sent to deceive recipients — from phishing to brand spoofing to targeted business email compromise (BEC). As these attacks evolve, so too must our defenses. At…

Why is DMARC important for protecting emails sent from G Suite?

Why is DMARC important for protecting emails sent from G Suite?

DMARC is important for protecting emails sent from G Suite (Google Workspace) because it verifies your domain’s messages via SPF/DKIM alignment and tells receiving servers to quarantine or reject spoofed mail, which dramatically reduces phishing while improving deliverability and visibility through standardized reporting. G Suite’s native security (SPF and DKIM) prevents many spoofing attempts, but…

New ClickFix Scam, Dental Practice Banned, UK MPs Targeted

New ClickFix Scam, Dental Practice Banned, UK MPs Targeted

Cybercriminals are getting smarter, quieter, and far more convincing. From a new browser-based ClickFix variant that slips past traditional security tools, to healthcare organizations facing legal action after phishing breaches, and even UK MPs being targeted through trusted messaging apps, recent incidents show how fast attack methods are evolving. These threats no longer rely on…

Business Email Compromise vs Phishing Attacks — A Deep Dive by DMARCReport

Business Email Compromise vs Phishing Attacks — A Deep Dive by DMARCReport

In today’s hyper-connected digital world, email remains the backbone of business communication — and unfortunately, also one of the most exploited attack vectors used by cybercriminals. Sophisticated threat actors continually refine their techniques to deceive trusted recipients, impersonate legitimate senders, and manipulate end users into disclosing sensitive information or transferring funds. At DMARCReport, we believe…

Does a DMARC check verify SPF and DKIM alignment for my domain?

Does a DMARC check verify SPF and DKIM alignment for my domain?

Yes—DMARC explicitly evaluates SPF and DKIM authentication results and verifies their alignment with the message’s Header From domain, passing if at least one of SPF or DKIM both authenticates and aligns per your DMARC policy. DMARC (Domain-based Message Authentication, Reporting, and Conformance) exists to connect message authentication to domain identity as shown to recipients: the…

CNAME vs ALIAS Records — A Guide by DMARCReport

CNAME vs ALIAS Records — A Guide by DMARCReport

As DNS users, domain administrators, and website operators know all too well: DNS configuration often feels like walking a tightrope. A small misconfiguration can mean your users can’t reach your site — or your email goes missing. Two DNS record types that are often sources of confusion are CNAME and ALIAS records. They can look…

CNAME vs A Record: What Every Domain Owner Should Know

CNAME vs A Record: What Every Domain Owner Should Know

By DMARCReport When you register a domain name — say mywebsite.com — you’re not done yet. To get the domain to actually load your website, or allow email to be delivered, you need to configure the Domain Name System (DNS) appropriately. Think of DNS as the internet’s “phone book.” Instead of human-readable domain names, computers…

How can I implement DMARC for multiple domains and subdomains?

How can I implement DMARC for multiple domains and subdomains?

Implement DMARC for multiple domains and subdomains by standardizing a DNS template (SPF, DKIM, DMARC), inventorying all sending services, using parent-level inheritance with the DMARC sp tag where appropriate, centralizing rua/ruf reporting, rolling out p=none then gradually enforcing per domain (quarantine → reject) based on report-driven confidence, automating DNS and DKIM key management via APIs/IaC,…

BIMI, CMC and Google: How DMARCReport Sees This Transform the Email Landscape

BIMI, CMC and Google: How DMARCReport Sees This Transform the Email Landscape

Introduction At DMARCReport, we’ve always believed that email authentication and brand trust should go hand in hand. That’s why the recent update from Google — enabling support for Common Mark Certificate (CMC) under Brand Indicators for Message Identification (BIMI) — is big news for businesses of all sizes. If you’re sending emails to clients, subscribers…