Your BIMI questions. Answered.

Should my BIMI record be TXT or CNAME?

Understand direct BIMI TXT publication and CNAME delegation, including what to check when a managed service hosts the final assertion record.

Can I publish two BIMI TXT records at the same selector?

Distinguish competing BIMI TXT records from multiple strings within one record, and learn how to investigate duplicate assertions without breaking valid DNS.

Is my BIMI PEM certificate supposed to be public?

Identify the public certificate bundle used for BIMI and distinguish it from private keys, application documents and other files that may also use PEM encoding.

Can I use a self-signed certificate for BIMI in Gmail?

Learn why Gmail BIMI needs an accepted VMC or CMC, why a self-signed certificate is insufficient, and how self-asserted BIMI differs.

Do I need a dedicated IP address for Gmail BIMI?

Separate Gmail BIMI prerequisites from the choice of shared or dedicated sending IPs, and identify the domain and reputation evidence to check first.

Logos

Can my BIMI SVG wordmark use text or web fonts?

Prepare a BIMI wordmark without live text or external fonts, preserve the editable source and validate the exact outlined artwork intended for certification.

Why does my BIMI PEM certificate chain fail validation?

Investigate missing intermediates, repeated certificates and mixed VMCs in a BIMI PEM bundle without assuming that an HTTPS download proves valid evidence.

Does BIMI use the From domain or the Reply-To domain?

Identify the domain relevant to BIMI when From, Reply-To and Return-Path differ, using a concrete message example and a simple investigation checklist.

Can a BIMI certificate stop working before its expiry date?

Understand why a BIMI certificate can be revoked before expiry, how to investigate its status, and why a certificate-log entry cannot prove current validity.

Is BIMI mandatory under Gmail’s bulk-sender requirements?

BIMI is optional under Gmail’s bulk-sender rules. Compare sender authentication requirements with the stricter DMARC policy needed for BIMI logo display.

Why is my BIMI logo not showing in Gmail?

Check Gmail BIMI display problems in a useful order: the real message, authentication, certificate coverage, public files and receiver processing.

Can I use BIMI without a registered trademark?

Learn how a Common Mark Certificate can help with BIMI without a registered trademark, and why logo history and issuer eligibility still matter.

Is BIMI free, or do I need to pay for it?

Understand which parts of BIMI can use free tools, when a paid certificate enters the picture, and how to estimate the work beyond the purchase.

Does Yahoo require a VMC for BIMI?

Read Yahoo’s current certificate position and the authentication, bulk sending, reputation and engagement conditions that affect BIMI logo display.

Does BIMI work in Outlook and Microsoft 365?

Understand the limits of current BIMI support evidence for Microsoft, and why an Outlook sender image is not automatically proof of BIMI.

Does Apple Mail support BIMI?

Learn when BIMI can appear in Apple Mail and iCloud, and why the receiving email service matters as well as the app on your device.

How long does BIMI take to start working?

Separate BIMI preparation, certificate validation, DNS propagation and inbox processing so you can plan a launch without an unrealistic activation promise.

Can I use BIMI with DMARC p=none?

Understand why a monitoring-only DMARC policy is insufficient for BIMI and how to prepare legitimate mail before moving to enforcement.

Do SPF and DKIM both have to pass for BIMI?

Distinguish DMARC’s aligned SPF-or-DKIM pass from provider requirements and good operational practice when preparing your sending streams for BIMI.

Do I need a separate BIMI record for each subdomain?

Plan BIMI for subdomains by checking record lookup, the desired logo, DMARC policy and certificate coverage for each visible sending domain.

Can one domain use multiple BIMI logos?

Understand how BIMI selectors relate to multiple logos, why platform and receiver support matter, and what to confirm before planning campaign-specific branding.

Logos

Can I use a PNG or ordinary SVG as my BIMI logo?

Learn why BIMI needs SVG Tiny PS artwork, why changing a filename is not conversion, and what to ask your designer to prepare and validate.

Where should I host my BIMI logo and certificate?

Choose stable public HTTPS hosting for BIMI assets, avoid login and browser challenges, and assign an owner for availability and certificate updates.

Can I use BIMI with more than one email service?

Use BIMI across multiple email platforms by checking each service’s From domain and authentication, then testing real messages from every sending stream.

Does BIMI improve deliverability or stop spam?

Separate BIMI brand display from inbox placement and spam filtering, and learn which email signals to investigate when delivery performance changes.

What happens when a BIMI certificate expires?

Plan BIMI certificate renewal around the actual expiry date, validate replacement evidence and avoid confusing a multi-year purchase with certificate validity.

Can I set up BIMI for a personal Gmail address?

Understand why BIMI needs control of a sending domain and how that differs from changing the profile picture on a personal gmail.com account.

Why does my BIMI checker pass but no logo appears?

Understand what a BIMI checker can verify and what remains unknown about a real message, receiver policy, account context and inbox logo display.