DMARC.AI

Microsoft Defender for Office 365 enforces inbound DMARC for tenant mail. Here’s what admins need to configure and watch for.

Rotating DKIM keys without breaking signing is a four-step process. Here’s the playbook: dual-publish, switch, verify, retire.

The fear of breaking client mail keeps many MSPs from finishing DMARC rollouts. Here’s the discipline that prevents incidents and shipped engagements.

A field-tested discovery playbook for MSPs identifying every system sending as a client domain — combining DMARC reports, DNS analysis, and stakeholder interviews.

Third-party senders are where DMARC rollouts get stuck. Here’s how to inventory, categorize, and authenticate every external platform sending as the domain.

SPF flattening replaces include chains with raw IPs to escape the 10-lookup limit. Here’s when MSPs should use it, when to avoid it, and how.

A complete DMARC rollout guide for MSPs managing Google Workspace clients — SPF includes, DKIM setup, and the Workspace-specific gotchas.

A step-by-step DMARC rollout guide for MSPs managing Microsoft 365 client tenants — SPF, DKIM, DMARC, and the M365-specific gotchas.

A repeatable DMARC audit process for MSPs: what to check, how to present findings, and how to convert audits into rollout engagements.

A complete DMARC onboarding checklist for MSPs taking on new client domains — from initial audit to first month of monitoring.