Summary
To ensure your BIMI logo appears consistently in Yahoo Mail, a few critical elements must be in place. Foremost, your domain requires a DMARC policy set to an enforcement level, either p=quarantine or p=reject. A Verified Mark Certificate (VMC) is also a strict necessity for Yahoo's display, along with an SVG logo file formatted precisely as SVG Tiny PS 1.2 and hosted securely over HTTPS. Beyond these technical requirements, domain reputation, engagement levels, and correct DNS record configuration play significant roles in successful BIMI implementation for Yahoo users.
Key findings
- Enforced DMARC Policy: For BIMI to display in Yahoo Mail, your domain's DMARC policy must be set to p=quarantine or p=reject. This strong policy signals to mail providers that your domain is authenticated and secured.
- Verified Mark Certificate (VMC) is Mandatory: Yahoo Mail, like other participating providers, strictly requires a valid VMC. This certificate, obtained from an authorized Certificate Authority, verifies your brand's ownership of the logo and is crucial for display.
- Precise SVG Format and Secure Hosting: The BIMI logo image must be in the SVG Tiny PS 1.2 format, ensuring it is a perfect square. It also needs to be hosted on a secure server, accessible via HTTPS, for Yahoo to retrieve and display it.
- Accurate BIMI DNS TXT Record: The _bimi DNS TXT record for your domain must be correctly configured and published. Errors in this record, such as incorrect syntax or missing elements, will prevent the logo from appearing.
Key considerations
- Domain Reputation and Engagement: Yahoo's systems consider your domain's overall reputation, sender volume, and engagement metrics. A good sending reputation and consistent engagement can positively influence BIMI display.
- Potential Caching and Learning Periods: After making changes to your DMARC or BIMI records, there might be a caching delay or a 'learning period' on Yahoo's end before the logo becomes visible.
- Leverage BIMI Validation Tools: Utilize online BIMI inspector and validator tools to diagnose specific configuration issues with your DMARC, VMC, SVG, or BIMI DNS record.
- Check Yahoo-Specific Open Rates: Monitor your open rates specifically for Yahoo users, as this can provide insight into how Yahoo views your sending practices. If necessary, consider contacting Yahoo support if you suspect your brand is being mismatched to a different domain.
- SVG Image Specifics: Beyond the SVG Tiny PS 1.2 format, ensure the SVG is precisely square and contains no text elements, though the image itself does not need to be on the same subdomain as the sending domain.
- SPF and DKIM Authentication: While DMARC is the direct requirement, successful DMARC enforcement relies on proper SPF and DKIM authentication, which should also be in place and working correctly.
What email marketers say
15 marketer opinions
When your BIMI logo isn't displaying in Yahoo Mail, the resolution typically involves confirming several key technical and reputational elements. A strong DMARC policy, set to quarantine or reject, is non-negotiable. Equally vital is a valid Verified Mark Certificate (VMC), as Yahoo strictly requires it for logo rendering. Furthermore, your SVG logo file must adhere to specific formatting, SVG Tiny PS 1.2, a precise square aspect ratio, and be hosted securely via HTTPS. Beyond these foundational requirements, domain reputation, consistent engagement, and accurate BIMI DNS record configuration are crucial factors that influence successful logo display.
Key opinions
- Enforced DMARC Policy: The domain's DMARC policy is a mandatory prerequisite for BIMI display, requiring enforcement levels of p=quarantine or p=reject. This validates sender authenticity to Yahoo's systems.
- VMC is Essential: A Verified Mark Certificate (VMC) is a strict requirement for Yahoo Mail to render your BIMI logo, verifying brand ownership through an authorized certificate authority.
- Specific SVG and Hosting: The SVG logo file must precisely conform to the SVG Tiny PS 1.2 format, be perfectly square, and be hosted on a secure server accessible via HTTPS for proper display.
- Accurate BIMI DNS Record: Correct configuration and publication of the _bimi DNS TXT record are fundamental, as any errors will prevent the logo from appearing.
Key considerations
- Sender Reputation and Engagement: Yahoo's algorithms assess domain reputation, email volume, and subscriber engagement as factors influencing BIMI display. Strong, consistent sending practices are beneficial.
- DNS Caching and Learning Phase: Be aware of potential delays due to DNS caching and an internal learning period on Yahoo's side after implementing or modifying BIMI records.
- Leverage Validation Tools: Online BIMI inspectors and validators are invaluable for identifying precise configuration errors in your DMARC, VMC, SVG, or BIMI DNS records.
- Yahoo-Specific Analytics: Analyze open rates for Yahoo users to gauge deliverability and consider contacting Yahoo support if a brand-domain mismatch is suspected.
- SVG Image Specifications: The SVG image must be exactly square and, while it doesn't need to be hosted on the same subdomain as the sending domain, its format (SVG Tiny PS 1.2) and secure hosting (HTTPS) are non-negotiable.
- Underlying Authentication Protocols: Ensure foundational email authentication protocols like SPF and DKIM are correctly implemented, as they underpin DMARC's effectiveness, which is crucial for BIMI.
Marketer view
Email marketer from Email Geeks explains that for BIMI to display on Yahoo, you need good domain reputation, good engagement, and sufficient volume, suggesting transactional emails for Yahoo. He also provides a BIMI inspector tool link and discusses DMARC policy options, noting that Yahoo's 'machine' needs to recognize the sender. He confirms that the image does not need to be on the same subdomain as the sending domain.
30 Dec 2021 - Email Geeks
Marketer view
Email marketer from Email Geeks confirms that a strong DMARC policy, specifically 'quarantine' or 'reject', is required to utilize BIMI.
19 Jan 2022 - Email Geeks
What the experts say
3 expert opinions
To resolve issues with your BIMI logo not appearing in Yahoo Mail, a multi-faceted approach focusing on technical precision and domain reputation is necessary. Ensuring your DMARC policy is set to an enforcement level, possessing a valid Verified Mark Certificate (VMC), and verifying your SVG logo meets all specified technical criteria, including secure hosting, are paramount. Furthermore, accurate BIMI DNS record publication and robust SPF and DKIM authentication are indispensable. While some may inquire about explicit Yahoo approval, experts confirm this is typically unnecessary for senders with a strong reputation.
Key opinions
- Enforced DMARC and Valid VMC: For BIMI to display on Yahoo, a DMARC policy at 'quarantine' or 'reject' and a valid VMC from a trusted Certificate Authority are absolute requirements.
- Precise SVG Logo Specification: The SVG logo file must adhere strictly to technical standards, including a square aspect ratio, no text elements, inclusion of a public key certificate, and secure hosting via HTTPS.
- Correct BIMI DNS Record: A properly configured and published BIMI DNS TXT record is fundamental for Yahoo Mail to locate and display your logo.
- Underlying Authentication: Successful BIMI display relies on robust SPF and DKIM authentication, which underpin your DMARC policy enforcement.
- Reputation Influences Yahoo Display: Explicit Yahoo or VMG approval for BIMI is generally not required if the sending domain maintains a consistently good reputation.
Key considerations
- Comprehensive Technical Compliance: Beyond individual checks, ensure all components of your BIMI setup-DMARC, VMC, SVG, DNS-work cohesively and meet every specified requirement.
- Sender Reputation as a Factor: Maintain a positive sender reputation, as it influences Yahoo's implicit acceptance and display of your BIMI logo without requiring formal approval.
- SVG Details: Double-check that your SVG is exactly square, contains no text, and is accessible via HTTPS, as these seemingly small details can prevent display.
- DMARC, SPF, DKIM Alignment: Confirm that SPF and DKIM are correctly configured and aligned, as their proper functioning directly impacts DMARC enforcement, which is crucial for BIMI.
Expert view
Expert from Email Geeks asks if Yahoo approval was obtained for BIMI, implying it might be a necessary step for display.
12 Jul 2023 - Email Geeks
Expert view
Expert from Email Geeks clarifies that Yahoo/VMG approval for BIMI is generally not required if the sender maintains a good reputation.
27 Mar 2025 - Email Geeks
What the documentation says
3 technical articles
Troubleshooting a BIMI logo that fails to appear in Yahoo Mail frequently points to specific technical compliance issues. A domain's DMARC policy must be enforced at either p=quarantine or p=reject, and a valid Verified Mark Certificate, VMC, is an absolute prerequisite, as confirmed by various support documentations. Additionally, the SVG logo file must strictly adhere to the SVG Tiny PS 1.2 format and be hosted securely over HTTPS to ensure proper rendering within Yahoo Mail.
Key findings
- DMARC Enforcement is Key: Yahoo Mail requires a DMARC policy set to an enforcement level, such as p=quarantine or p=reject, for BIMI logos to display.
- VMC is Non-Negotiable for Yahoo: A valid Verified Mark Certificate, VMC, from an authorized Certificate Authority is crucial and often the missing element when a BIMI logo fails to appear in Yahoo Mail.
- SVG Technical Compliance: The BIMI logo must be in the SVG Tiny PS 1.2 format and securely hosted via HTTPS; deviations from these specifications will prevent its display in Yahoo Mail.
Key considerations
- Prioritize VMC and SVG Checks: When troubleshooting a missing BIMI logo in Yahoo Mail, first verify the validity and authorized source of your VMC, and then meticulously check your SVG file for strict adherence to the SVG Tiny PS 1.2 format and its secure HTTPS hosting.
- Authorized CA for VMC: Ensure your Verified Mark Certificate, VMC, was issued by a Certificate Authority recognized and trusted for BIMI, as Yahoo requires this for logo display.
- Strict Adherence to BIMI Specs: Any deviation, no matter how minor, from the required SVG format, its secure hosting protocol, or DMARC policy enforcement can prevent the BIMI logo from displaying in Yahoo Mail.
Technical article
Documentation from BIMI Group clarifies that for a BIMI logo to display, including in services like Yahoo Mail, the sender's domain must have a DMARC policy enforced at p=quarantine or p=reject, the logo must be a valid SVG Tiny PS 1.2 file, and a Verified Mark Certificate (VMC) is required by participating mail providers such as Yahoo.
2 Nov 2023 - BIMI Group
Technical article
Documentation from DigiCert Support explains that a common issue for BIMI logos not displaying in Yahoo Mail is an invalid or missing Verified Mark Certificate (VMC). They emphasize that a VMC is crucial for Yahoo and that the logo SVG file must strictly adhere to the SVG Tiny PS 1.2 format, be hosted over HTTPS, and the domain must have a DMARC policy set to enforcement (quarantine or reject).
27 Jul 2022 - DigiCert Support
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