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Signal lets you associate a hosted BIMI logo URL with a sending domain and returns the BIMI DNS record for that configuration. BIMI remains optional and does not replace the domain’s DKIM, MAIL FROM, SPF, or DMARC checks.

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What Signal stores

Open the domain Configuration tab and provide a public HTTPS URL for the SVG logo. Signal stores the URL; it does not upload the image file from your computer. The domain response exposes bimiLogoUrl, bimiStatus, and the optional bimi DNS record.

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Configuration sequence

  1. Confirm the domain’s required sending records pass.
  2. Confirm your DMARC policy meets the requirements you intend to use.
  3. Host the SVG at a stable public HTTPS URL.
  4. Save that exact URL in Signal.
  5. Publish the BIMI record returned by Signal.
  6. Run verification after DNS and the asset are publicly reachable.

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Asset checks

  • The URL returns the SVG asset, not an authenticated page.
  • HTTPS succeeds without a customer session.
  • The response content type describes SVG content.
  • The asset does not depend on scripts or external page resources.
  • Redirects do not end on HTML or a blocked origin.

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What verification proves

A verified BIMI state proves that Signal observed the expected configuration conditions it checks. It does not guarantee that every mailbox provider will display the logo. Mailbox providers apply their own support, policy, certificate, reputation, and caching decisions. If Signal verifies but a mailbox does not display the logo, preserve the verified Signal evidence and investigate that mailbox provider’s current BIMI requirements separately.

BIMI dashboard guide

Review the Signal configuration and DNS workflow.