Sender Authentication Explained | SPF, DKIM & DMARC | Email Security Foundation Course

Описание: 📧 Sender Authentication is a crucial part of modern email security — ensuring that the sender is truly who they claim to be. Without it, your domain is at risk of phishing, spoofing, and email delivery failures.

In this video, we’ll explore the problem of unauthenticated emails, dive deep into SPF, DKIM, and DMARC mechanisms, and explain how they work together to protect your domain reputation and improve email deliverability.

You’ll learn:
✅ 0:13 The Problem – how forged or spoofed emails impact trust and deliverability
✅ 0:40 Sender Authentication Mechanisms – an overview of SPF, DKIM, and DMARC
✅ 1:09 Sender Policy Framework (SPF) – how SPF verifies authorized sending servers
✅ 7:20 SPF Soft Fail vs Hard Fail – understanding the difference and impact on delivery
✅ 09:13 DKIM (DomainKeys Identified Mail) – how digital signatures authenticate message integrity
✅ 10:15 How DKIM Works – step-by-step process of signing and verifying emails
✅ 12:00 DMARC (Domain-based Message Authentication, Reporting & Conformance) – how it builds on SPF & DKIM for policy enforcement
✅ 13:09 How DMARC Works – how policies help detect, block, and report unauthorized use
✅ 16:39 Benefits of Sender Authentication
✅ 17:06 Implementation Considerations – tips for correctly deploying SPF, DKIM, and DMARC
✅ 17:47 How to Check SPF/DKIM/DMARC – online tools and commands to verify your records

Perfect for email administrators, IT professionals, and cybersecurity teams looking to secure their email domains from spoofing and phishing attacks.

📩 Watch till the end to understand how SPF, DKIM, and DMARC work together to authenticate your emails and strengthen your domain reputation!

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