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  • Authors
  • Yunes Tarada
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Yunes Tarada
Domain & Email Security Expert at PowerDMARC
Yunes is an Operations Team Lead at PowerDMARC with expert knowledge in email authentication and security. Yunes is a Microsoft-certified Azure Administrator Associate with certifications in CompTIA A+ and many more.
Latest posts by Yunes Tarada (see all)
  • DNS Vulnerabilities: 10 Common Weaknesses & How to Fix Them - October 20, 2026
  • AppRiver (Zix) Email Authentication Guide: SPF, DKIM, and DMARC - September 30, 2026
  • SPF Record Syntax - September 14, 2026
FACTS DKIM

FACTS DKIM, DMARC, and SPF Setup Guide

Blog, ESP Alignment
Learn how to configure FACTS DKIM, DMARC, and SPF records to protect school emails, improve deliverability, and prevent domain spoofing.
August 17, 2026
FACTS DKIM

Happyfox DKIM, DMARC, and SPF Setup Guide

Blog, ESP Alignment
Follow our step-by-step guide to configure SPF, DKIM, and DMARC on Happyfox. Stop emails from going to spam and fix your deliverability.
August 13, 2026
DMARC Quarantine

What Is DMARC Quarantine? p=quarantine Policy Explained

Blog, DMARC
DMARC quarantine (p=quarantine) tells receivers to send failing email to spam instead of the inbox. See how it works, examples, and quarantine vs reject.
August 12, 2026
FACTS DKIM

Twikey SPF, DKIM, and DMARC Setup Guide

Blog, ESP Alignment
Learn how to configure Twikey SPF and DKIM DNS records. Step-by-step guide to setting up DMARC monitoring and enforcement for secure Twikey email delivery.
August 11, 2026
Whaling Attack

What Is Whaling in Cyber Security?

Blog
In a Whaling attack, attackers target individuals who are at the authoritarian or decision-making positions in an organization, to defraud a company.
August 7, 2026
FACTS DKIM

What Is a Spam Filter and How It Protects Business Email

Blog, Email Security
Learn what a spam filter is, how it works, and how to choose the best one to block unwanted emails. Keep your inbox clean and secure.
August 6, 2026
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Latest Blogs

  • FACTS DKIM
    Industrial IoT Security: Protecting Connected Devices and the Emails They SendNovember 10, 2026 - 3:31 am
  • FACTS DKIM
    Holiday Phishing Scams 2026: How Attackers Spoof Brands Around Black Friday and ChristmasNovember 10, 2026 - 1:29 am
  • FACTS DKIM
    Microsoft 550 5.7.1: Message Lacks SPF/DKIM/DMARC Auth Records (AS9031519)November 9, 2026 - 3:08 am
  • FACTS DKIM
    What Is DNS Zone Transfer and Why Is It a Security Vulnerability?November 5, 2026 - 4:46 am

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