Definition
BIMI lets participating mailbox providers display a brand logo associated with an authenticated sending domain.
How it works
A BIMI DNS record points to a compatible SVG logo. Provider requirements vary and may include an enforced DMARC policy and verified mark certificate.
Real-world example
A brand first deploys robust DMARC authentication, publishes its BIMI logo record and then checks rendering with participating providers.
Limits and best practices
BIMI does not guarantee universal logo display or message legitimacy. Check each provider's requirements and protect the sending domain.