What is an SVG Tiny PS file for BIMI?

SVG Tiny Portable/Secure is a stripped-down XML vector format that strips all external scripts, bitmap graphics, and animation to prevent security vulnerabilities.

Technical•Reviewed by Deliverability Engineering•4 min read

BIMI

Brand Indicators for Message Identification

Definition:BIMI is an advanced email specification that displays your verified corporate logo next to authenticated outgoing emails directly inside recipient inboxes.

Free Tool: Generate your BIMI record in 10 seconds

Validate and build compliant DNS records instantly without technical knowledge.

Try Tool →

Deliverability Impact

High

Implementation Time

1–2 weeks (with VMC)

Pro Tip from the Trenches

Gmail strictly requires a Verified Mark Certificate (VMC) for BIMI logo display, which costs ~$1,500/year. However, Apple Mail and Fastmail display BIMI logos for free without requiring a VMC, as long as DMARC is enforced at p=quarantine or p=reject.

BIMI DNS TXT Record

default._bimi.yourdomain.com. IN TXT "v=BIMI1; l=https://yourdomain.com/logo.svg; a=https://yourdomain.com/vmc.pem;"

Frequently Asked Questions about BIMI

No, BIMI is not mandatory, but SPF, DKIM, and DMARC are. BIMI is an optional trust multiplier that displays your official logo in Gmail.

Detailed Technical Breakdown

BIMI functions on top of SPF, DKIM, and strict DMARC enforcement. When an email passes all security checks, supporting email clients (like Gmail, Apple Mail, and Yahoo Mail) fetch your official SVG logo and display it in place of a generic initial avatar.

For full BIMI verification in Gmail, organizations must also secure a Verified Mark Certificate (VMC) from an authorized certificate authority (such as DigiCert or Entrust), proving legal trademark ownership of the logo.

The specification uses DNS TXT records to publish the URI of the logo SVG Tiny PS file and the cryptographic certificate, allowing mail servers to validate authenticity in real time.

Why it matters for Cold Email & Deliverability

BIMI provides immediate visual legitimacy in crowded executive inboxes, increasing open rates by 10-25% and providing ironclad protection against brand impersonation and phishing.

It represents the highest tier of email authentication recognized by major global inbox providers.

How to optimize BIMI

Enforce a strict DMARC policy of `p=quarantine` or `p=reject` across your sending domain.
Format your official logo into a square SVG Tiny PS compliant file.
Publish a BIMI TXT record in your domain DNS pointing to the logo file and VMC certificate URI.
Verify BIMI record formatting using the official BIMI Group inspector tool.

Common BIMI Mistakes

Attempting to implement BIMI while DMARC is set to `p=none` (BIMI requires active enforcement).
Using standard web SVG files that fail strict SVG Tiny 1.2 format specifications.
Using an untrademarked logo for Gmail VMC certificate applications.

🔥 100% Free Forever Plan