Fix · Express / Node
Fix “Brand indicators (BIMI)” on Express / Node
After DMARC p=reject, publish default._bimi TXT with your SVG logo (and a VMC if you want Gmail support).
No server-level snippet for this control on Express / Node; apply the guidance below.
Verify the fix
Re-run the Brand indicators (BIMI) check after deploying. Test config changes in staging first and keep a rollback: a wrong header can break a site faster than a missing one.
Other stacks: nginx · Apache · Caddy · Cloudflare