Sources & further reading
BIMI resources.
From the original sources.
Go deeper with primary guidance from the BIMI Group, mailbox providers, and technical specifications.
Clear sources. Clear expectations. Our guides were reviewed on 1 November 2026. Provider policies can change; consult the original documentation when implementing. BIMI World is independent and is not an official publication of these organisations.
BIMI World · tool directory
Free Tools
Free checking tools and guided setup tools, with clear descriptions and official links.
Explore free tools BIMI World · provider comparisonCertificate Authorities
Sectigo, SSL.com and GlobalSign: VMC and CMC prices, terms, and official links.
Compare providers redsift.comRed Sift · Introducing BIMI Maker
Read the original bimigroup.orgBIMI Group · All about BIMI
Read the original bimigroup.orgBIMI Group · Implementation guide
Read the original bimigroup.orgBIMI Group · Sender FAQs
Read the original knowledge.workspace.google.comGoogle · Set up BIMI
Read the original senders.yahooinc.comYahoo · BIMI sender requirements
Read the original support.apple.comApple · BIMI in Apple Mail
Read the original bimigroup.orgBIMI Group · SVG logo requirements
Read the original bimigroup.orgBIMI Group · Certificate types
Read the original bimigroup.orgBIMI Group · Common Mark Certificates
Read the original knowledge.workspace.google.comGoogle · Troubleshoot BIMI
Read the original bimigroup.orgBIMI Group · Updating your logo
Read the original www.rfc-editor.orgIETF · DKIM specification
Read the original support.google.comGoogle · Email sender guidelines
Read the originalNeed a practical next step? Our tools page helps you assess readiness and draft a record. A draft is not a live DNS or certificate validation.