BIMI (Brand Indicators for Message Id)

A deep dive into the "chain of custody." This section explores why mailing lists and forwarding break authentication and how ARC is the only standard designed to reliably "follow the cargo" from its original port to its final, forwarded destination.

20 questions in this topic

What is BIMI? What is the purpose of BIMI? How does BIMI work? What are the benefits of BIMI? What is a Verified Mark Certificate (VMC)? Do I need a VMC for BIMI? How to obtain a VMC certificate? What are the requirements to implement BIMI? Why does BIMI require DMARC at p=quarantine or reject? Does BIMI improve deliverability? Does BIMI improve deliverability or just trust? Which mailbox providers support BIMI? How do I create a BIMI record? What image format does BIMI use and why SVG Tiny PS? How do mailbox providers display BIMI? What are the limitations — why doesn’t every inbox show logos? How is BIMI validated at Gmail vs Yahoo? What are common BIMI errors? What is the difference between self-asserted and verified BIMI? Why do some providers cache BIMI logos?

Questions about BIMI (Brand Indicators for Message Id)