Does your logo
show up in the inbox?

What BIMI is

BIMI

Brand Indicators for Message Identification. A TXT record at default._bimi.yourdomain.com that tells a mailbox provider where your logo lives, so your mark is drawn beside your mail instead of a grey circle with a letter in it.

l=

The logo. It has to be an SVG Portable/Secure file served over https: a tightly restricted SVG with no scripts, no external references and no raster images inside it. An ordinary SVG exported from a design tool is usually rejected.

a=

The authority, meaning a Verified Mark Certificate. It costs money every year and requires a registered trademark. Gmail and Apple Mail only draw a logo that has one, which is the honest reason most domains publish BIMI and still show nothing.

DMARC

The thing underneath all of it. BIMI is only read on a domain at p=quarantine or p=reject, so a record published while DMARC sits at p=none is never looked at. It is the last step in getting mail trusted, never the first.

Nothing is stored. The record is a public DNS query made when you press the button, and the logo is fetched and stripped of scripts and remote references before it is drawn.

Questions this raises