
Microsoft's New Email Rules for Bulk Senders: SPF, DKIM, DMARC
Discover Microsoft's new email security rules for bulk senders. Learn about SPF, DKIM, DMARC, and how to ensure compliance for better email deliverability.
Topic
Every article tagged Microsoft Outlook, newest first.

Discover Microsoft's new email security rules for bulk senders. Learn about SPF, DKIM, DMARC, and how to ensure compliance for better email deliverability.
Keep reading

GitHub Package Firewall brings install-time npm policy gates, SLSA attestation checks, and version cooldowns to AI coding agents and CI/CD runners.

Node.js CVE-2026-111497 exposes Brotli decoding to potential RCE. Check affected versions, fetch() exposure, WAF limits, and the October 2026 patch checklist.

PHP2Shell (CVE-2026-109618 & CVE-2026-109619) exposes 70% of the web to unauthenticated PHP RCE and memory leaks. Check fixed versions, IOCs, and mitigations.