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A BIMI (Brand Indicators for Message Identification) Record Checker is a specialized tool to identify issues such as missing or incorrect DNS records, invalid logo formats, or misconfigurations that could prevent BIMI from functioning correctly

Ensures your BIMI record adheres to the correct syntax

Check If Your BIMI Record Works as Expected

If you’ve progressed to implementing BIMI (Brand Indicators for Message Identification), it signifies that you’ve successfully completed the foundational steps of email authentication. This includes setting up SPF and DKIM, as well as enforcing a strict DMARC policy (p=quarantine or p=reject). Congratulations on achieving this significant milestone in securing your domain and enhancing email deliverability.

Whether you’ve already published a BIMI record or are in the process of configuring one, DMARCtron’s BIMI Checker is an essential tool to ensure your setup is accurate and effective. By simply entering your domain, the tool retrieves your BIMI record from the DNS, validates your brand logo and Verified Mark Certificate (VMC), and provides a preview of how your logo will appear in supported email clients under various conditions.

Read most frequent questions

Q. What is BIMI?

BIMI, or Brand Indicators for Message Identification , is an email authentication standard designed to enhance brand recognition and trust by associating your company’s logo with authenticated email messages. When implemented, BIMI enables supported email clients to display your brand logo prominently next to your emails in recipients’ inboxes. This visual indicator not only reinforces your brand identity but also signals to recipients that the email is legitimate and secure, fostering greater trust and engagement. By leveraging BIMI, organizations can improve email deliverability, increase open rates, and strengthen their overall email communication strategy.

BIMI (Brand Indicators for Message Identification) operates by enabling you to publish a BIMI record in your DNS. This record includes a secure URL pointing to your brand logo and, optionally, a Verified Mark Certificate (VMC). While the VMC is not mandatory for all email providers, it is required for logo display in Gmail and some other mailbox providers.

When you send an email to a BIMI-supported mailbox provider, the provider performs two critical checks:

  1. DMARC Validation: The provider verifies that your domain has a properly enforced DMARC policy (p=quarantine or p=reject).
  2. BIMI Record Verification: The provider confirms the presence and accuracy of your BIMI record in the DNS.

If both checks are successful, the mailbox provider retrieves the logo from the URL specified in your BIMI record and displays it alongside your email in the recipient’s inbox. This process ensures that only authenticated emails from your domain are associated with your brand logo, enhancing trust and recognition while reinforcing the security of your email communications.

By implementing BIMI, organizations can strengthen their brand presence and improve recipient confidence in their emails, ultimately driving higher engagement and deliverability.

For BIMI (Brand Indicators for Message Identification) to function effectively, the following prerequisites must be met:

  1. DMARC Enforcement:
    Ensure your domain has a strict DMARC policy (p=quarantine or p=reject) implemented and enforced. This is a mandatory requirement, as BIMI relies on DMARC to authenticate your emails and confirm their legitimacy.

  2. Verified Mark Certificate (VMC):
    While not required by all mailbox providers, obtaining a Verified Mark Certificate (VMC) is essential for displaying your logo in certain email clients, such as Gmail. The VMC verifies that your logo is officially registered and authorized for use.

  3. Brand Logo in SVG Format:
    Your brand logo must be available at a secure URL in SVG Tiny 1.2 format, which is the standard file type supported by BIMI. Ensure the logo is high-quality and meets the technical specifications required by mailbox providers.

  4. VMC File in PEM Format:
    If required, host your Verified Mark Certificate (VMC) at a secure URL in .pem file format. This certificate serves as proof of ownership and validation of your logo.

  5. Generate and Publish a BIMI Record:
    Create a BIMI record that includes the secure URL to your logo (and optionally your VMC). Publish this record in your DNS as a TXT entry under the subdomain default._bimi.yourdomain.com.

By fulfilling these requirements, you ensure that your BIMI implementation is fully compliant and ready to display your brand logo in supported email clients. Tools like DMARCtron can help streamline the process of generating and validating your BIMI record, ensuring accuracy and optimal performance.

With BIMI in place, your authenticated emails will feature your brand logo, enhancing recognition, trust, and engagement with recipients while reinforcing the security of your email communications.

BIMI (Brand Indicators for Message Identification) requires DMARC enforcement as a foundational element. It builds upon robust email authentication protocols, such as SPF, DKIM, and DMARC, to enhance your brand’s credibility within BIMI-supported mailboxes while providing the added benefit of visual brand identification.

By implementing BIMI, you demonstrate a strong commitment to email security, protecting your brand reputation, and ensuring that cybercriminals cannot impersonate your domain. This not only fosters trust with your recipients but also reinforces the integrity of your communications. With your authenticated emails displaying your brand logo, BIMI serves as both a badge of security and a powerful tool for brand recognition, signaling to the world that your organization prioritizes transparency and protection in its email practices.

bsolutely! With a verified BIMI logo, your recipients can trust emails from your domain with complete confidence. The presence of your brand logo in their inbox not only enhances recognition but also sets your messages apart from the countless others they receive daily. This visual assurance fosters trust and credibility, encouraging higher open rates and increased engagement with your subscribers. By leveraging BIMI, you create a more impactful and secure email experience that strengthens your connection with your audience while reinforcing your brand’s reputation.

You can use DMARCtron’s free BIMI Lookup tool to check, lookup, and validate your BIMI record instantly.

It’s pretty straightforward! To use our BIMI Checker, simply input your domain name, click on the “Check BIMI” button, and get instant results.

No, but it’s following the best practices. With DMARC enforcement and BIMI implementation, you’ll gain full protection of your domain reputation and give recipients peace of mind that your messages are authentic.

Currently, the BIMI is supported by:

  • Yahoo
  • Apple Mail
  • Cloudmark by Proofpoint
  • Gmail
  • La Poste
  • Fastmail
  • Zone Webmail

Yes, Yahoo! supports BIMI without requiring VMC. Your domain needs to have a certain reputation with their filter engines for your logo to be visible in Yahoo! mailboxes. You can find more information here.

Yes, Apple Mail supports BIMI, effective since September 2022. You can find more information here.

Yes, Cloudmark supports BIMI, effective since October 2022.

Yes, Gmail supports BIMI, but having a VMC or CMC is a requirement.

Yes, La Poste supports BIMI, effective since August 2022.

Yes, Fastmail supports BIMI without requiring a VMC.

Yes, Zone Webmail supports BIMI if you have a Verified Mark Certificate.

No, Microsoft still doesn’t support BIMI, and there are no plans for it in the near future. That said, it has a BIMI equivalent called “brand cards.”

The following mailbox providers are considering supporting BIMI:

  • BTInternet
  • Atmail
  • Comcast
  • Qualitia
  • Seznam
  • GMX Email
  • Yahoo Japan

If your BIMI logo isn’t appearing in emails, take the following troubleshooting steps:

  • First, ensure you have an enforced DMARC Policy (p=quarantine or p=reject).
  • Check that your BIMI Record or Logo has no underlying issues using our BIMI Lookup Tool.
  • For Gmail and other mailbox providers requiring a VMC, make sure you have a valid VMC.
  • For Yahoo! and other mailbox providers not requiring a VMC, ensure your domain has a sufficient reputation for displaying your logo. You can also contact their support teams for more information.

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