Preview your brand logo in the inbox before you go live, with and without a Common Mark Certificate.
Click Preview to see the Gmail inbox mockup with and without CMC.
The CMC Simulator previews how your brand logo appears in a Gmail inbox, with and without a Common Mark Certificate (CMC) badge.
CMC is an alternative to VMC for organizations that may not have a registered trademark but still want BIMI logo display where supported.
Compare inbox appearance with and without CMC verification side by side.
See the verified badge effect before obtaining a Common Mark Certificate.
Upload PNG, JPG, or SVG logos to visualize inbox branding.
Download preview images for internal reviews or client presentations.
Add your brand image in PNG, JPG, or SVG format (up to 5 MB).
Enter company name and email address shown in the mockup.
Open the Gmail mockup showing both without-CMC and with-CMC states.
Save the preview and proceed to SVG validation and BIMI record setup.
CMC provides logo verification without requiring a registered trademark. Provider support varies, VMC remains the standard for Gmail.
Logo displayed as a circular avatar without verification badge.
Logo shown with verification badge when CMC is issued and referenced in the BIMI a= tag.
CMC support is not universal. Gmail currently requires VMC, check your target providers.
Preview reflects expected appearance, live display requires full BIMI and DMARC setup.
Baseline inbox view before Common Mark Certificate verification.
Inbox view with CMC verified badge applied to your brand logo.
Sender display name in the mockup.
From address shown in the preview header.
Verify your target inbox providers accept CMC before investing, Gmail requires VMC.
Use the Logo Validator and SVG Converter regardless of certificate type.
Both VMC and CMC require DMARC at p=quarantine or p=reject for logo display.
After obtaining CMC, add the PEM URL to your BIMI record via the Generator.
A Common Mark Certificate verifies logo ownership without requiring a registered trademark. It is referenced in the BIMI a= tag like VMC.
VMC requires a registered trademark. CMC is for organizations without trademark registration but still wants logo verification.
Gmail currently requires VMC for BIMI logo display. CMC may be accepted by other providers, check their documentation.
A BIMI record has one a= tag. Use the certificate type required by your primary target providers.
No. The simulator processes your image locally in the browser for preview and download.
PNG, JPG, JPEG, and SVG up to 5 MB. Production BIMI requires SVG Tiny PS hosted over HTTPS.
Validate your SVG, obtain CMC or VMC, generate your BIMI record, enforce DMARC, and verify with the BIMI Checker.
SenderSignal monitors these signals continuously: 48 blacklists, SPF, DKIM, DMARC, TLS and more, with alerts in Slack, email and signed webhooks.