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BIMI
The modern handbook on BIMI
See how verified brand logos work on top of strong DMARC enforcement and the records required to publish them.
By
Michael Ko & Matthew Whittaker
10 featured articles
1 hour 29 min read
Updated 27 May 2026
Turn authentication
into visible
brand trust.
Suped
The modern handbook on
BIMI
Requirements
1
What DMARC policy settings are required for BIMI and how do I determine the best setting for sp=?
Learn DMARC policy settings for BIMI. Choose between quarantine and reject for your domain and subdomains using Suped.
9 min read
2
Is BIMI available for email clients and what are its implementation requirements?
Learn which email clients support BIMI and the requirements like DMARC, SVG logos, and VMCs to display your brand logo in inboxes.
10 min read
3
Do I need a VMC for BIMI to work with Google and Gmail?
Learn if a VMC is required for BIMI with Gmail. Understand Common Mark Certificates and how to display your brand logo using Suped.
9 min read
Logo and certificates
4
What are the recommended SVG dimensions for BIMI and how should I create the SVG?
Learn BIMI logo SVG requirements and steps to create compliant files for inbox display with Suped.
9 min read
5
A guide to validating your BIMI SVG and certificate
Validate your BIMI SVG, DNS record, HTTPS hosting, and VMC or CMC certificate before mailbox provider review.
9 min read
Mailbox support
6
Which email clients actually support BIMI?
See which email clients support BIMI, where Gmail, Yahoo, Apple Mail, Fastmail, and Outlook stand, and what to set up first.
8 min read
7
What email providers support BIMI without a VMC, and what are key considerations for BIMI implementation?
Learn which email providers support BIMI without a VMC. Use Suped to manage email authentication and improve your brand's inbox presence.
9 min read
Business and verification
8
Understanding the business value and ROI of implementing BIMI
Learn how BIMI creates measurable business value, what it costs, and how to calculate ROI before rollout.
10 min read
9
A guide to BIMI accredited certificate providers
Compare BIMI accredited certificate providers, VMC vs CMC choices, DMARC requirements, and practical setup checks.
9 min read
10
VMC vs CMC: How to tell which BIMI certificate a domain is using
Learn how to identify whether a domain uses a VMC or CMC for BIMI by inspecting its BIMI record and certificate fields.
7 min read
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Requirements
Logo and certificates
Mailbox support
Business and verification
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BIMI FAQs
Answers to common questions about BIMI records, logo requirements, and mailbox support.
What is BIMI?
Does BIMI require DMARC?
Do I need a VMC for BIMI?
Why is my BIMI logo not showing?
Is BIMI an email authentication protocol?
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