Sender Policy Framework (SPF) – M365.FMhttps://www.m365.fm/entity/spf/An email authentication record in DNS that lists the servers allowed to send mail for a domain.enSPF, DKIM, and DMARC in Exchange Online: Setting Up Email Authenticationhttps://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.Defender for Office 365: Tuning Anti-Phishing and Safe Links Policieshttps://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…Microsoft 365 DMARC Rollout Guide: From None to Reject Without Breaking Mailhttps://www.m365.fm/community/u/mirko-p/blog/m365-dmarc-rollout-guide-none-to-reject/https://www.m365.fm/community/u/mirko-p/blog/m365-dmarc-rollout-guide-none-to-reject/Wed, 21 Oct 2026 10:04:52 -0000articleLearn how to safely roll out DMARC in Microsoft 365 from monitoring to strict rejection without breaking your organization's legitimate email delivery.Beyond Email Protocols: Why SPF, DKIM, and DMARC Aren't Enough Against Deepfakeshttps://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…Microsoft Defender for Office 365 - Simply Explainedhttps://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…