Use this free BIMI checker to look up a domain's BIMI record, preview its logo, and see what's stopping the logo from showing in Gmail, Yahoo and other inboxes.
BIMI (Brand Indicators for Message Identification) shows your logo next to your emails. It needs all four of these.
Your DMARC policy must be p=quarantine or p=reject, applied to 100% of mail.
Run a DMARC checkPublished at default._bimi.yourdomain.com, with v=BIMI1 and the logo URL in l=.
A square SVG using the Tiny Portable/Secure profile, served over HTTPS, ideally 32 KB or less.
Required by Gmail to display the logo. A VMC needs a registered trademark; a CMC doesn't.
Host: default._bimi.yourdomain.com
Type: TXT
v=BIMI1; l=https://yourdomain.com/bimi/logo.svg; a=https://yourdomain.com/bimi/certificate.peml= points to your SVG logo and a= to your VMC or CMC certificate. Get DMARC to enforcement first with the DMARC generator.
Everything you need to know about BIMI and brand logos in email
BIMI logos only show for mail that reaches the inbox. Mailwarm gets it there, with automated warmup, a deliverability audit and an account manager for every customer.