What is BIMI?

Brand Indicators for Message Identification: shows a brand logo next to authenticated email.

BIMI needs a strict DMARC policy and a TXT record at default._bimi pointing to an SVG logo (and often a Verified Mark Certificate).

Related terms

• MTA-STS: A policy that forces encrypted (TLS) delivery of email to a domain.
• SSL/TLS certificate: A certificate that proves a site's identity and enables HTTPS encryption.
• Certificate Transparency: Public, append-only logs of every certificate issued by public authorities.