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BIMI Setup Guide

Brand Indicators for Message Identification (BIMI) displays your logo in supporting email clients. DDMARC provides free BIMI logo hosting for all plans.

Prerequisites

  • • DMARC policy set to p=quarantine or p=reject
  • • Your brand logo in SVG Tiny PS format
  • • (Optional) Verified Mark Certificate (VMC) for Gmail support

What is BIMI?

BIMI is an email standard that allows your brand logo to appear next to authenticated emails in supported email clients. This increases brand visibility and helps recipients identify legitimate emails from your organization.

Brand Recognition

Your logo appears in the inbox

Trust Signal

Recipients see you're authenticated

Phishing Protection

Only authenticated mail shows logo

1

Prepare Your Logo

Your logo must be in SVG Tiny PS (Portable/Secure) format. This is a restricted subset of SVG that ensures security and compatibility.

SVG Requirements

Square aspect ratio (1:1)
Centered logo with padding
Solid background color
No scripts or animations
No external references
No transparency

Tip: Use the BIMI Generator to convert your logo to the correct format.

2

Upload Logo to DDMARC

DDMARC provides free BIMI logo hosting. Upload your SVG and we'll host it on our global CDN with automatic HTTPS.

  1. 1.Go to your domain settings in the DDMARC dashboard
  2. 2.Click on the BIMI tab
  3. 3.Upload your SVG Tiny PS file
  4. 4.Copy the hosted URL provided

Your hosted BIMI logo URL:

https://bimi.ddmarc.com/v1/example.com/logo.svg
3

Add BIMI DNS Record

Add a TXT record to your DNS to publish your BIMI configuration.

BIMI DNS Record
Host: default._bimi Type: TXT Value: v=BIMI1; l=https://bimi.ddmarc.com/v1/example.com/logo.svg

Record Breakdown

  • v=BIMI1 — BIMI version
  • l= — URL to your SVG logo
  • a= — (Optional) URL to VMC certificate

Verified Mark Certificate (VMC)

Gmail and some other providers require a Verified Mark Certificate (VMC) to display your BIMI logo. VMCs are issued by certificate authorities after trademark verification.

Required for Gmail BIMI support
Validates trademark ownership
Issued by DigiCert or Entrust

Email Client Support

ProviderBIMI SupportVMC Required
GmailYesYes
Apple MailYesNo
Yahoo MailYesNo
FastmailYesNo
Microsoft OutlookComing SoonTBD

Verify Your Setup

After adding the DNS record, DDMARC will automatically monitor your BIMI configuration. Check the DNS Monitoring page to verify everything is correctly configured.

Next Steps