DMARC in 2026: what RFC 9989 changes, and what to update
RFC 9989 replaced the 2015 DMARC standard in May 2026. What changed (pct, rf, ri removed; t, np, psd added) and a safe checklist to update your record.
Guides
Practical answers to the problems IT and security admins search for, each based on the official standard and linked to a free ToolVeriq tool you can use straight away.
Email security
SPF permerror: too many DNS lookups, and how to fix it
Why SPF fails with “too many DNS lookups”, how the 10-lookup and 2-void-lookup limits are counted, and five safe ways to fix your SPF record.
More guides are published regularly. See the changelog for what's new.