Home Topics BIMI and VMC Certification
BIMI and VMC Certification
Getting your verified logo into inboxes with BIMI, VMC, and CMC.
BIMI
BIMI (Brand Indicators for Message Identification) is a DNS record that points to a brand's logo so mailbox providers can display it next to authenticated messages. It depends on DMARC enforcement and, at Gmail and Apple, on a Verified Mark Certificate.
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Verified Mark Certificates
A VMC is an X.509 certificate issued by an approved authority (DigiCert or Entrust) that binds a registered trademark logo to a domain. Gmail and Apple Mail require a VMC or CMC to render a BIMI logo.
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Common Mark Certificates
A CMC is a lower-tier BIMI certificate introduced in 2024 for brands without a registered trademark. Eligibility requires 12 months of prior logo use or a government-issued mark. Gmail displays the logo but not the blue checkmark.
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SVG Tiny PS logos
SVG Tiny 1.2 Portable/Secure is the restricted SVG profile required by BIMI. It forbids scripts, external references, and embedded raster images, and requires a <title> element and baseProfile="tiny-ps".