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dmarcian

@dmarcian.com
176 followers 435 following 514 posts

We're on a mission to spread DMARC across the globe to make email and the internet safer for all.

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dmarcian @dmarcian.com · 8h
As #CybersecurityAwarenessMonth kicks off, we’re proud to join CISA and the NCA in highlighting the importance of cybersecurity awareness and do our part. As email remains the top vector cyberattacks, DMARC is a great way to protect your brand. Not sure where to start? dmarcian.com/getting-star...
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dmarcian @dmarcian.com · 30/09/2026
In our latest article, dmarcian MSP Manager, Joe Garner, shares his insights on the industry and perspectives on what need to change to truly enable a great experience for long term client trust:m dmarcian.com/cybersecurit... #MSPCommunity #Partners #ManagedServices #MSSPs #DMARC #dmarcian
Cybersecurity vs. Security Products - What MSPs need to know - dmarcian
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dmarcian @dmarcian.com · 29/09/2026
To combat fraud and identity theft, the Payment Card Industry (PCI DSS v4.0) now requires a layered anti-phishing strategy recommending #DMARC, #DKIM, and #SPF. Still working on it? We've created a go to resource with all you need to know: dmarcian.com/pci-requires... #PCIDSS
The DMARC Security Model: DMARC and PCI Video available now - dmarcian
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dmarcian @dmarcian.com · 28/09/2026
Most #DMARC projects don’t stall on #DNS; they stall on a person and who has no reason to answer your email’s request for help. AI won't fix human incentive problems or help you align teams. Getting an enterprise to p=reject takes a shift in mindset: dmarcian.com/dmarc-deploy...
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dmarcian @dmarcian.com · 25/09/2026
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
True or False - DMARC Academy - dmarcian
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dmarcian @dmarcian.com · 24/09/2026
What is a CNAME record? A CNAME (Canonical Name) record is a DNS record that makes one domain and alias for another. Our latest guide covers what they are, how they work, best practices, common issues, and how to fix them fast: dmarcian.com/what-is-cnam... #DNS #cybersecurity
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dmarcian @dmarcian.com · 23/09/2026
Curious why your #DKIM is failing? Our guide breaks down why "relaxed" canonicalization is often the solution to DKIM failures being cause for ensuring your email actually hits the inbox without compromising security: dmarcian.com/dkim-failure... #DKIM #DMARC #EmailAuthentication
DKIM Signature Canonicalization Understanding and resolving verification failures - dmarcian
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dmarcian @dmarcian.com · 22/09/2026
Germany’s BSI declared 2025 the Year of Email Security. We re-analyzed DMARC adoption across top German businesses to see how far DMARC enforcement has progress since the BSI recommendations last year: dmarcian.com/germany-dmar... #DMARC #Cybersecurity #EMEA
Top Companies in Germany DMARC Adoption Series - dmarcian
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dmarcian @dmarcian.com · 21/09/2026
How does a large global #enterprise, with multiple domains, teams, legacy systems, and more, align to implement #DMARC? 𝗝𝗼𝗶𝗻 𝘂𝘀 𝗼𝗻 𝗧𝘂𝗲𝘀𝗱𝗮𝘆, 𝟮𝟵 𝗦𝗲𝗽𝘁𝗲𝗺𝗯𝗲𝗿 𝟮𝟬𝟮𝟲 𝗮𝘁 𝟭𝟲:𝟯𝟬 𝗖𝗘𝗦𝗧 𝗳𝗼𝗿 𝗮 𝗹𝗶𝘃𝗲 𝘄𝗲𝗯𝗶𝗻𝗮𝗿 𝗮𝘀 𝘄𝗲 𝗺𝗮𝗽 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗯𝗹𝘂𝗲𝗽𝗿𝗶𝗻𝘁 𝘁𝗼 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗗𝗠𝗔𝗥𝗖 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁. register.gotowebinar.com/register/665...
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dmarcian @dmarcian.com · 18/09/2026
dmarcian's Billy Muldoon and Joe Garner sat down with Doug Green of Technology Reseller News to unpack DMARC—what it is, why MSPs need it, and where the revenue opportunities are. #ManagedServices #DMARC #EmailSecurity #AI #Podcast
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dmarcian @dmarcian.com · 17/09/2026
Abusive SPF campaigns using dangling CNAMEs are on track to outpace previous years. Our Service Delivery Specialist, Steven I. breaks down how criminals hijack these #DNS errors for #phishing. Learn to recognize the signs and 6 ways to stop #CNAME abuse: dmarcian.com/dmarc-spf-ab...
DMARC Used to Detect SPF Abuse: Understanding DNS CNAMEs and related attacks - dmarcian
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dmarcian @dmarcian.com · 16/09/2026
Facing a #DMARC roadblock, a failing sender, or preparing to advance your policy but don’t know where to start? Perhaps a configuration decision in need of a second opinion, or a question that your team can’t answer confidently? He have your back: dmarcian.com/dmarc-servic...
Find needed answers with our DMARC Consultation - dmarcian DMARC Services for Enterprise
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dmarcian @dmarcian.com · 15/09/2026
Most #DMARC projects don’t stall on #DNS; they stall on a person and who has no reason to answer your email’s request for help. AI won't fix human incentive problems or help you align teams. Getting an enterprise to p=reject takes a shift in mindset: dmarcian.com/dmarc-deploy...
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dmarcian @dmarcian.com · 14/09/2026
Are your email open rates declining? Our newest article explains where enterprise deliverability goes wrong, why advancing your DMARC policy (beyond p=none) requires operational alignment, and the exact steps you can take to fix it. dmarcian.com/fix-email-op... #DMARC #EmailSecurity
Dealing with Falling Email Open Rates - dmarcian
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dmarcian @dmarcian.com · 11/09/2026
Stay ahead in #DMARC and email security—all in one place. Our newsletter brings you the latest insights, expert advice, and practical resources to make email safer for everyone. Join tens of thousands of subscribers building a safer email ecosystem: dmarcian.com/newsletter
Subscribe To Our Newsletter Learn about DMARC, keep up with our Knowledge Base, see what we're reading, and more - dmarcian
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dmarcian @dmarcian.com · 10/09/2026
Are your #SPF and #DKIM identifiers aligned? Ensuring these records align with the domain in your email’s "From" header is crucial for #DMARC compliance and improving email deliverability. Learn more about identifier alignment and how to achieve it: dmarcian.com/alignment/
DMARC Alignment Fail - dmarcian
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dmarcian @dmarcian.com · 09/09/2026
Some people ask: "If I have DKIM, do I need DMARC?" The short answer is yes. In our latest article, we'll cover exactly what DKIM does, where it's protection ends and why SPF, DKIM, and DMARC must work together: dmarcian.com/why-dkim-onl... #DKIM #DMARC #SPF #dmarcian
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dmarcian @dmarcian.com · 07/09/2026
Why is phishing still the number one threat despite advanced security controls? In our latest article dmarcian's Director of EMEA Business unit, Dermot Harnett, covers recent discussions across the European cybersecurity community: dmarcian.com/why-phishing... #DMARC
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dmarcian @dmarcian.com · 04/09/2026
Wondering if an email source supports DMARC? Our continually updated repository features over 1,300 sources—powered by data from our source classification engine. It’s free, open to everyone, and invaluable at any stage of your #DMARC journey. dmarc.io #dmarcian
dmarc.io by dmarcian. Find out if your sources are dmarc compatible with our large library.
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dmarcian @dmarcian.com · 03/09/2026
Germany’s BSI declared 2025 the Year of Email Security. We re-analyzed DMARC adoption across top German businesses to see how far DMARC enforecment has progress since the BSI recommendations last year: dmarcian.com/germany-reco... #DMARC #Cybersecurity
Top Companies in Germany DMARC Adoption Series - dmarcian
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dmarcian @dmarcian.com · 02/09/2026
What is Avanan? Check Point Avanan is a cloud-based email security service used by organizations on #M365 (Microsoft 365.) How #Microsoft reports DMARC verification checks often leads to confusion among customers. Unravel the mystery! dmarcian.com/avanan-email... #EmailAuthentication #DMARC #Avanan
All About Avanan Uncovering mystery email volume - dmarcian
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dmarcian @dmarcian.com · 01/09/2026
Why is phishing still the number one threat despite advanced security controls? In our latest article dmarcian's Director of EMEA Business unit, Dermot Harnett, covers recent discussions across the European cybersecurity community: dmarcian.com/why-phishing... #DMARC
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dmarcian @dmarcian.com · 31/08/2026
We had a fantastic #ChannelCon26 as put on by GTIA. Thank you to everyone we met and to all who came to our booth. See you all next year. #MSPCommunity #dmarcian #Channel #DMARC #Cybersecurity
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dmarcian @dmarcian.com · 28/08/2026
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
True or False - DMARC Academy - dmarcian
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dmarcian @dmarcian.com · 27/08/2026
The IETF published three new #DMARC specifications, RFC 9989, RFC 9990, and RFC 9991, rendering RFC 7489 obsolete— but what does this actually mean for your organization? In our latest guide we explain what's changed, what hasn't and what to do next: dmarcian.com/dmarc-rfc-up...
DMARC RFC Guide: How the revised standard affects you - dmarcian
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dmarcian @dmarcian.com · 21/08/2026
Did you know? You can monitor changes to your #DNS and receive notifications via #Slack, #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... #DMARC #dmarcian
Alert Central Overview- Stay current with DNS changes - dmarcian
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dmarcian @dmarcian.com · 20/08/2026
Verizon’s 19th edition of their Data Breach Investigations Report (DBIR) represents victims from 145 countries. Yet again, the number of breaches broke records and is the largest volume Verizon researchers have pored over. Take a look: dmarcian.com/2026-verizon... #Cybersecurity #AI
2026 Verizon Data Breach Insights: All about the rise of AI - dmarcian
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dmarcian @dmarcian.com · 19/08/2026
Many Cloud and #DNS providers offer serverless functions that allow you to host the MTA-STS policy file over HTTPS, eliminating the need to patch or maintain a full web server. Join us as we cover the best approaches to achieve this: dmarcian.com/serverless-m...
Severless MTA-STS Hosting: A new approach to HTTPS policy file hosting- dmarcian
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dmarcian @dmarcian.com · 18/08/2026
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 #emailauthentication
SPF Cleanup Techniques: Recommendations for tidying excessive elements in your record - dmarcian
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dmarcian @dmarcian.com · 17/08/2026
Are your open rates falling? Here are some best practices to improve email deliverability. Check out our article: dmarcian.com/dmarc-delive... #dmarcian #DMARC #EmailAuthentication #Email #Deliverability DMARC and Email
Deliverability DMARC's Impact on Deliverability - dmarcian
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dmarcian @dmarcian.com · 14/08/2026
Wondering if an email source supports DMARC? Our continually updated repository features over 1,300 sources—powered by data from our source classification engine. It’s free, open to everyone, and invaluable at any stage of your #DMARC journey. dmarc.io #dmarcian
dmarc.io by dmarcian. Find out if your sources are dmarc compatible with our large library.
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dmarcian @dmarcian.com · 13/08/2026
Our Consultation Services give you direct access to #DMARC expertise on a prepaid, hourly basis so you can resolve specific issues without committing to a larger project. dmarcian.com/dmarc-servic... #Enterprise #Consulting #EmailSecurity #domainprotection
Find needed answers with our DMARC Consultation - dmarcian DMARC Services for Enterprise
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dmarcian @dmarcian.com · 12/08/2026
Beyond the basics of BIMI: Our latest guide covers prerequisites, SVG logo prep, VMC vs. CMC certificates, providers, steps to get your brand logo verified and in the inbox. dmarcian.com/bimi-setup/ #BIMI #EmailSecurity #dmarcian
BIMI: Beyond the Basics - What it takes to get you logo into inboxes - dmarcian
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dmarcian @dmarcian.com · 11/08/2026
Are your email open rates declining? Our newest article explains where enterprise deliverability goes wrong, why advancing your DMARC policy (beyond p=none) requires operational alignment, and the exact steps you can take to fix it. dmarcian.com/fix-email-op... #DMARC #EmailSecurity #Deliverability
Dealing with Falling Email Open Rates - dmarcian
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dmarcian @dmarcian.com · 07/08/2026
We've reached a new milestone! And we couldn't have done it without you! We've proudly helped over 5,000 people earn their DMARC Academy certifications. Earn your certificate www.dmarc-academy.com #EmailAuthentication #dmarcian #FreeCourses
DMARC Academy has helped over 5,000 people learn about email security - dmarcian
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dmarcian @dmarcian.com · 06/08/2026
What is a CNAME record? A CNAME (Canonical Name) record is a DNS record that makes one domain and alias for another. Our latest guide covers what they are, how they work, best practices, common issues, and how to fix them fast: dmarcian.com/what-is-cnam... #DNS #cybersecurity
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dmarcian @dmarcian.com · 05/08/2026
In this article, we will break down how the compliance landscape is shifting in EMEA, how DMARC implementation fulfills these new requirements, 7 critical questions to ask your team, and the practical steps you can take to prepare your 2027 budget. dmarcian.com/dmarc-budget...
Budgeting for Cybersecurity - DMARC & email trust in risk registers - dmarcian
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dmarcian @dmarcian.com · 04/08/2026
The IETF published three new #DMARC specifications, RFC 9989, RFC 9990, and RFC 9991, rendering RFC 7489 obsolete— but what does this actually mean for your organization? In our latest guide we explain what's changed, what hasn't and what these updates mean in practice: dmarcian.com/dmarc-rfc-up...
DMARC RFC Guide: How the revised standard affects you - dmarcian
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dmarcian @dmarcian.com · 03/08/2026
We're constantly refining our platform to simplify your workflows. Our latest enhancements include SPF Surveyor private IP detection, duplicate netblock alerts, and accessibility upgrades. Don't have an account? Register for your free 30 day trial here: dmarcian.com/register/
Accessibility Center tools now available - dmarcian Platform Updates
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dmarcian @dmarcian.com · 31/07/2026
Stay ahead in #DMARC and email security—all in one place. Our newsletter brings you the latest insights, expert advice, and practical resources to make email safer for everyone. Join tens of thousands of subscribers building a safer email ecosystem: dmarcian.com/newsletter
Subscribe To Our Newsletter Learn about DMARC, keep up with our Knowledge Base, see what we're reading, and more - dmarcian
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dmarcian @dmarcian.com · 30/07/2026
Are your email open rates declining? Our newest article explains where enterprise deliverability goes wrong, why advancing your DMARC policy (beyond p=none) requires operational alignment, and the exact steps you can take to fix it. dmarcian.com/fix-email-op... #DMARC #EmailSecurity #Deliverability
Dealing with Falling Email Open Rates - dmarcian
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dmarcian @dmarcian.com · 29/07/2026
Understanding the impact of a #DMARC 'Quarantine' or 'Reject' policy is key to advancing your policy without email disruptions. We’ve highlighted the key differences, their effects on your email flow, and tips for transitioning to 'Reject.' dmarcian.com/policy-modes... #dmarcian
DMARC Policy Levels: Quarantine Vs. Reject - dmarcian
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dmarcian @dmarcian.com · 28/07/2026
Some teams don’t need a full deployment project; they need a dependable expert they can turn to as questions arise. Get reliable access to expert guidance from people who understand your email environment and resolve issues before they become problems. dmarcian.com/dmarc-servic... #DMARC #Email
Dedicated Support for teams seeking ongoing help with DMARC - 
dmarcian DMARC Services
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dmarcian @dmarcian.com · 27/07/2026
Some people ask: "If I have DKIM, do I need DMARC?" The short answer is yes. In our latest article, we'll cover exactly what DKIM does, where it's protection ends and why SPF, DKIM, and DMARC must work together: dmarcian.com/why-dkim-onl... #DKIM #DMARC #SPF #dmarcian
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dmarcian @dmarcian.com · 24/07/2026
Have you seen our platform lately? We've made several updates to help you investigate email authentication issues with less guesswork. These updates are designed to help you find answers, and correct issues quickly. Take a look: dmarcian.com/register/ #EmailSecurity #PlatformUpdates #dmarcian
DMARC Management Platform Updates: IMporved DKIM Selector and CNAME Record Information - dmarcian
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dmarcian @dmarcian.com · 23/07/2026
What happens after p=reject? No matter where you are in your DMARC journey, reaching a p=reject policy is just the beginning. Ongoing #DMARC maintenance is crucial to continue combating #phishing, #spoofing, and other threats. Learn what comes next: dmarcian.com/life-after-r... #BEC
Life After Reject Maintaining Visibility with ongoing DMARC Management - dmarcian
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dmarcian @dmarcian.com · 22/07/2026
As regulatory landscapes shift and tighten across Europe, #cybersecurity strategies need to be more than just checklists. In this piece, our EMEA Director Dermot Harnett shares his perspective on what future-proofing really means in a complex and regulated environment: dmarcian.com/future-proof...
Future-Proofing Organisations with Dermot Harnett - dmarcian
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dmarcian @dmarcian.com · 21/07/2026
Every organization has its own mix of cloud platforms, marketing tools, ticketing systems, and legacy applications. Our DMARC Services are built to support even the most complex infrastructures: dmarcian.com/dmarc-servic... #DMARC #EmailSecurity #Cybersecurity
DMARC Services help you deploy confidently - dmarcian
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dmarcian @dmarcian.com · 17/07/2026
Beyond protecting your clients from phishing with #DMARC, MSPs gain full visibility to deploy email tech faster and more accurately, streamling operations and making your service indispensable. Get access to the MSP Portal dmarcian.com/managed-serv... start a 30-day free trial. #MSP #EmailSecurity
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dmarcian @dmarcian.com · 16/07/2026
In this edition of our DMARC adoption research, we analyzed DMARC adoption across the FIFA World Cup ecosystem. World Cup–related domains we surveyed range greatly vary greatly protection. Here's what we discovered: dmarcian.com/dmarc-adoption-fifa-world-cup-2026 #DMARC #FIFA2026
World Cup 2026 Sponsors - DMARC Adoption Series - dmarcian
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