Email spoofing

Concept

Forging the sender address of an email so that it appears to come from a trusted person or domain; email authentication standards such as SPF, DKIM and DMARC help detect it.

Title graphic: Email spoofing (Concept)

Type	Concept
Wikipedia	en.wikipedia.org/wiki/Email_spoofing

Episodes about Email spoofing

Microsoft Defender for Office 365 - Simply Explained

2026-07-22 · Video on YouTube

Modern phishing emails copy real branding and writing styles, so a basic spam filter no longer keeps a business safe. This episode is for Microsoft 365 admins, security teams and business owners. You learn how the five protection layers of Microsoft Defender…

Articles about Email spoofing (1)

Securing Exchange Hybrid Mail Flow: Best Practices for Admins
2026-09-24 · Mirko Peters
Learn how to secure Exchange hybrid mail flow, configure SPF/DKIM/DMARC correctly, and prevent common security gaps in Microsoft 365 messaging.

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Sources

Wikipedia: en.wikipedia.org/wiki/Email_spoofing
Feed for this topic (RSS): entity/email-spoofing/feed.xml
M365.FM episodes on this topic: 1
Articles on this topic: 1

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03