https://www.m365.fm/entity/dkim/An email authentication method in which the sending server signs messages with a private key whose public key is published in DNS, proving integrity and origin.enhttps://www.m365.fm/community/u/mirko-p/blog/spf-dkim-dmarc-exchange-online/https://www.m365.fm/community/u/mirko-p/blog/spf-dkim-dmarc-exchange-online/Thu, 29 Oct 2026 15:59:00 -0000articleLearn how to configure SPF, DKIM, and DMARC in Exchange Online to secure your domain, prevent spoofing, and ensure high email deliverability rates.https://www.m365.fm/show/episodes/defender-for-office-365/https://www.m365.fm/show/episodes/defender-for-office-365/Thu, 29 Oct 2026 00:00:00 -0000episodeMost tenants run Microsoft Defender for Office 365 on defaults and assume they are protected while attackers test their filters every day. This episode is for email security admins, security engineers and SOC teams who want to tune anti-phishing, Safe Links…https://www.m365.fm/community/u/mirko-p/blog/beyond-email-protocols-why-spf-dkim-and-dmarc-arent-enough-against-deepfakes/https://www.m365.fm/community/u/mirko-p/blog/beyond-email-protocols-why-spf-dkim-and-dmarc-arent-enough-against-deepfakes/Wed, 26 Aug 2026 11:55:15 -0000articleWhen it comes to securing corporate inboxes, organizations have long relied on standard email authentication protocols as their primary shield. If you have spent an…https://www.m365.fm/show/episodes/microsoft-defender-for-office-365-simply-explained/https://www.m365.fm/show/episodes/microsoft-defender-for-office-365-simply-explained/Wed, 22 Jul 2026 00:00:00 -0000episodeModern 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…