build1 publisher
Deleting pct=25 from a DMARC record quadruples the mail your policy touches
RFC 9989 removed the pct tag on 19 May 2026, and a record still carrying pct=25 describes a staged rollout that conforming receivers no longer honour. The replacement, t=y, gives one testing step and no percentages.
Publishers:dev.to
Reality
- Evidence64
- Adoption
- Insufficient
- Hype gap+18
- Incentives22
- Confidence58