---
title: "Discussion on \"The Role of SPF, DKIM, and DMARC in Email Authentication Security.\" | Hashnode"
description: "Discussion on \"The Role of SPF, DKIM, and DMARC in Email Authentication Security.\". Overview.\nEmail remains one of the most vital business communication tools, but it is also the most frequently exploited attack vector.\nThreats such as phishing, spoofing, impersonation, and Business Email Compromise (BEC) continue to succeed largely..."
url: "https://hashnode.com/posts/the-role-of-spf-dkim-and-dmarc-in-email-authentication-security/684ad804f56e0842e81a725b"
---

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Discussion

# [The Role of SPF, DKIM, and DMARC in Email Authentication Security.](https://blog.cdoherty.co.uk/the-role-of-spf-dkim-and-dmarc-in-email-authentication-security?utm_source=hashnode&utm_medium=feed)

Overview. Email remains one of the most vital business communication tools, but it is also the most frequently exploited attack vector. Threats such as phishing, spoofing, impersonation, and Business Email Compromise (BEC) continue to succeed largely...

Mar 27, 2024 · 6 min read · blog.cdoherty.co.uk  
Updated Oct 18, 2025  
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-   [#spf](https://hashnode.com/tag/spf)
-   [#dkim](https://hashnode.com/tag/dkim)
-   [#dmarc](https://hashnode.com/tag/dmarc)
-   [#email-authentication](https://hashnode.com/tag/email-authentication)
-   [#email](https://hashnode.com/tag/email)
-   [#email-security](https://hashnode.com/tag/email-security)
-   [#microsoft-exchange-online](https://hashnode.com/tag/microsoft-exchange-online)
-   [#mimecast](https://hashnode.com/tag/mimecast)

## Written by

[Ciaran Doherty, AfCIIS, MBCS](https://hashnode.com/@cdoherty)

@cdoherty · United Kingdom

  
[View profile](https://hashnode.com/@cdoherty)

Cyber Security Analyst

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