Definition
BIMI (Brand Indicators for Message Identification) displays your brand logo next to authenticated emails in supporting email clients including Yahoo, Gmail, and Apple Mail. It requires DMARC enforcement (p=quarantine or p=reject), a BIMI DNS record, and a Verified Mark Certificate.
Requirements
- DMARC enforcement: Your domain must have DMARC set to p=quarantine or p=reject
- Logo file: A square SVG logo uploaded to a publicly accessible URL
- BIMI DNS record: A TXT record at
default._bimi.yourdomain.com - VMC: A Verified Mark Certificate from an approved certificate authority (required by Gmail, optional for Yahoo)
BIMI DNS Record
default._bimi.yourdomain.com. IN TXT "v=BIMI1; l=https://assets.yourdomain.com/logo.svg; a=https://assets.yourdomain.com/vmc.pem"
Why It Matters
BIMI increases trust and brand recognition in the inbox. Early adopters report 5-15% higher open rates and improved brand recall. It also signals to ISPs that you take authentication seriously, which positively influences deliverability.
Related Glossary Terms
AOL Mail for Email Marketers
AOL Mail is a legacy email provider with specific deliverability requirements and rendering quirks, now operating as part of the Yahoo+AOL network under shared infrastructure.
BIMI
BIMI (Brand Indicators for Message Identification) is an email standard that allows brands to display their logo next to their emails in supported email clients. It requires DMARC enforcement at quarantine or reject policy.
Bounce Rate Threshold
A bounce rate threshold is the percentage of hard or soft bounces at which email platforms and ISPs begin to penalise sender reputation, typically around 2-5%.
Bounce Rate
Email bounce rate is the percentage of emails that were rejected by the receiving server before reaching the recipient. It is a key indicator of list health and data quality.
Email Deliverability
Email deliverability is the ability to land in the recipient's inbox rather than the spam folder. It depends on sender reputation, authentication, list quality, and content practices.
DKIM (DomainKeys Identified Mail)
DKIM (DomainKeys Identified Mail) is an email authentication method that uses digital signatures to verify that an email was not tampered with during transit and comes from a authorised domain.