Learn about DMARC, SPF, and DKIM

Most BIMI rollouts do not fail because the idea is wrong. They fail because one part of the chain is assumed instead of verified.

By the time a team reaches BIMI, it has usually already done hard work on SPF, DKIM, and DMARC. That creates a false sense that the last step is just publishing a logo....

Once a domain is actually ready for BIMI, the next failures are usually not about DMARC anymore. They are about the logo file, the certificate path, or one small validation detail that looked harmless during setup.

If you need the bigger BIMI picture first, start with What is BIMI, how does it wo...

If you are planning a BIMI rollout, the main mistake to avoid is treating it like a logo-upload project.

BIMI is really the last layer in a chain that starts with stable email authentication, moves through DNS and HTTPS hosting, and only then reaches logo display. If any earlier piece is weak, the...

BIMI and DMARC are closely related, but they do different jobs.

DMARC is the policy and alignment layer that tells receivers whether mail claiming to be from your domain is authenticated well enough to trust. BIMI is the branding layer that can let participating mailbox providers display your l...

BIMI stands for Brand Indicators for Message Identification.

At a practical level, BIMI lets a domain owner publish the logo it wants participating mailbox providers to display next to authenticated mail. When it works, the recipient sees the brand logo in the inbox or message view instead of on...