I scanned 5.5 million domains

the numbers:

- 30.4% of domains have a dmarc record published
- only 12.8% are at enforcement, p=quarantine or p=reject
- the remaining 17.6% are at p=none, which is monitoring-only

dmarcguard.io/research/email-authentic...

#DMARC #EmailSecurity

your domain's email health isn't just dmarc

most people stop after dmarc

- spf validates sender ips
- dkim signs message content
- dmarc ties them together with policy

and.. mta-sts, tls-prt, bimi, arc, dane, arf, etc.

https://dmarcguard.io/tools/domain-health-check/

#DMARC #EmailSecurity

RUA vs. RUF: Breaking down the two types of DMARC reports

Are you receiving aggregate reports? #RUA reports offer a complete overview of your domain's traffic, while RUF reports provide redacted copies of emails that fail #DMARC compliance. Start by receiving RUA reports. Learn more about their importance: dmarcian.com/rua-vs-ruf/

I built DMARCguard because every DMARC tool told me what happened
never what to do

that's the core philosophy I built DMARCguard around

tell me what to do, not what happened

9+ protocols
28+ free tools
23+ RFCs referenced
no VC funding

https://dmarcguard.io/learn/dmarc/

#DMARC #EmailSecurity

SPF record with five providers

𝗦𝗣𝗙 𝗵𝗮𝘀 𝗮 𝟭𝟬-𝗹𝗼𝗼𝗸𝘂𝗽 𝗹𝗶𝗺𝗶𝘁

above 10 lookups, the entire SPF check returns permerror

The fix is flattening

resolving nested includes into direct IP ranges

https://dmarcguard.io/tools/spf-flattener/

#DMARC #EmailSecurity #SPF #DNSRecords

Google & Microsoft are rejecting unauthenticated emails

I scanned 5.5M domains
Only 30.4% have a DMARC record
Only 12.8% are at enforcement (p=quarantine or p=reject)

87% of domains are exposed

What about yours?
Check here for free
https://dmarcguard.io/tools/dmarc-checker/

#DMARC #EmailSecurity

SPF Cleanup Techniques: Recommendations for tidying excessive elements in your record - dmarcian

Take a look at this sender-specific #SPF alignment guidance we've prepared to help you keep your SPF records tidy and safe, avoiding over-authentication and syntax errors. dmarcian.com/spf-record-c... #dmarc #cybersecurity

DMARCREPORT: Få kontroll över era e-postleveranser Få tidiga varningar, bättre överblick och ett tydligare underlag när något börjar gå fel med företagets e-post

Dags att få ordning på e-postleveranserna? 🕵🏻🔒📧🇸🇪

DMARCREPORT är en tjänst från WebbPlatsen som hjälper er med just detta 😊

webbplatsen.se/dmarcreport

#DMARC #SaaS #email #emaildelivery #madeinsweden

A secure Email setup guide - Negative PID Email (electronic mail) has been a cornerstone of digital communication since the early days of the Internet. The first true email systems appeared in the

A secure Email setup guide

negativepid.blog/a-s...

#email #emailSetup #POP3 #IMAP #MicrosoftExchange #phishing #BEC #ransomware #TLS #SMIME #PGP #encryption #SPFrecords #DKIM #DNSrecords #DMARC #MFA #Cybersecurity #onlineSecurity #Internet #tech #IT #E2EE #negativepid

Alert Central Overview- Stay current with DNS changes - dmarcian

Did you know? You can monitor changes to your #DNS and receive notifications via #Slack, Email, #MicrosoftTeams, and more with our Alert Central functionality.

Learn more in the Alert Central overview, or log into your accounts and take a look: dmarcian.com/alert-centra... #dmarcian #DMARC

dmarc.io: The free, most complete DMARC resource - dmarcian

Wondering if an email source supports DMARC? Our continually updated repository features over 1,300 sources—powered by real-time data from our advanced source classification engine. It’s free, and invaluable at any stage of your #DMARC journey: dmarc.io

🚨 Spoofguard.io NEW POST:

🌐spoofguard.io/blog/en/hackerone-data-b...

#SpoofGuard #CyberSecurity #EmailSecurity #AntiSpoofing #DMARC #PhishingProtection #BrandProtection #DigitalSecurity #OnlineSafety #SaaS

Ask for a DEMO. 📹

The 2026 State of DMARC Report has been out for a bit—did you grab your copy?

78% adoption.
Only 42% enforcement.

That gap = risk.

See where you stand: https://bit.ly/4sL7pnI

#DMARC #EmailSecurity

Our Ireland-based Deployment Representative Matia Boldrini joined our partners at Wursta to discuss the importance of deploying #DMARC. They focused on advancing DMARC policies to keep your brand intact and the people interacting with it safe. dmarcian.com/protecting-b... #Webinar #WurstaEMEA

True or False - DMARC Academy - dmarcian

True or False: ‘Return-Path,’ ‘envelope sender,’ ‘bounce address,’ and ‘SMTP MAIL FROM’ are commonly used to refer to the same sender identity in SMTP.

Stumped?

Learn answers to questions like this and more with our FREE #DMARC Academy courses: www.dmarc-academy.com #EmailSecurity #Cybersecurity

Original post on blog.radwebhosting.com

How to Deploy Mailman Suite on Debian VPS for Automated Mailing List Management This article provides a detailed step-by-step guide demonstrating how to deploy Mailman Suite on Debian VPS for autom...

#Guides #Cloud #VPS #debian #django #dkim #dmarc […]

[Original post on blog.radwebhosting.com]

A small discovery can make a big difference in email security.

Stefan Brilinschi from our support team shares how a customer uncovered stronger domain protection than they realized.

#DMARC #EmailSecurity #CyberSecurity

When SPF, DKIM, and DMARC Don’t Align: Fixing a Gmail Warning for the Bloomington Chamber - David Martin Design Email feels simple when it works. You write a message, hit send, and it arrives in someone's inbox a moment later.

SPF ✓ DKIM ✓ DMARC ✗

Passing two out of three isn't enough. Wrote up a real-world case study on diagnosing a Gmail red warning banner for the Bloomington Chamber of Commerce — and fixing the DMARC alignment failure behind it.

davidmartindesign.com/case-studies...

#EmailAuthentication #DMARC #DNS

Winning with DMARC: The MSP’s Definitive Guide to Email Security DMARC for MSPs: This guide provides new ways to secure client emails against fraud, phishing, and business email compromise.

In our latest article with The ChannelPro Network, dmarcian's MSP Manager Joe Garner breaks down how #DMARC protects client domains, creates MSP revenue opportunities, and outlines 5 proven steps to move clients towards enforcement: www.channelpronetwork.com/2025/12/22/d... #MSP #dmarcian

DMARC Alignment Pass Example- dmarcian

What is #DMARC Alignment and Why Is it Important? Alignment is a key concept in the introduction of DMARC. Learn more about identifier alignment and how to achieve it: dmarcian.com/alignment/ #compliance #Cybersecurity

Gmail 550 5.7.26 on your VPS? Don't touch DNS yet. Read the bounce first — SPF failure and DMARC alignment failure have different fixes.

https://go.enginyr.ing/spn/gblSu

#ServerSpan #Gmail #EmailDeliverability #DMARC #DirectAdmin #SysAdmin #VPS

Valimail is #1 in DMARC on G2 — again. 🎉

That’s 15 consecutive quarters, plus a spot on G2’s Best 50 Security Products list for the first time.

Thank you to our customers for the trust!

https://bit.ly/4sRAw8R

#DMARC #EmailSecurity

Supporting DMARC Adoption Across EMEA - dmarcian

As #DMARC adoption accelerates across EMEA, organisations are increasingly implementing and managing DMARC to strengthen their email security posture. dmarcian.com/dmarc-enforc... #dmarcian

Fortune 100 Companies DMARC Adoption - dmarcian

We thought we’d check in on the Fortune 100 companies in 2026 to see how they have progressed in DMARC Adoption since #Google, #Yahoo and #Microsoft’s #DMARC mandates: dmarcian.com/fortune-100-...

Original post on securityboulevard.com

How dmarcian Supports DMARC Adoption across EMEA As DMARC adoption accelerates across EMEA, organisations are increasingly implementing and managing DMARC to strengthen their email security posture...

#Security #Bloggers #Network #Cybersecurity #dmarc […]

[Original post on securityboulevard.com]