Canny Pigeons Researchhttps://cannypigeons.com/researchWe track the state of email authentication across the internet and openly share data, insights and guidance that help companies and domain owners defend against impersonation.en-us26 of the world's 100 largest companies still let anyone send email as themhttps://cannypigeons.com/research/forbes-global-2000-2026https://cannypigeons.com/research/forbes-global-2000-2026Tue, 08 Sep 2026 00:00:00 +0000We scanned the DMARC, SPF, MTA-STS, TLS-RPT and BIMI records of the Forbes Global 2000 top 100. 64 are at reject, 15 have no DMARC record at all, and geography predicts enforcement better than size.