Summary
BIMI logo display inconsistencies across email providers stem from a confluence of factors, primarily revolving around provider-specific requirements, sender reputation, and technical implementation. Gmail largely mandates a VMC for consistent display. Yahoo might require a manual prompting via a support ticket for smaller senders and considers volume and reputation. Generally, BIMI relies on valid SPF, DKIM, and DMARC records with a strict DMARC policy, correct SVG formatting (avoiding bitmaps), sufficient email volume, and a positive sender reputation. Testing, monitoring, and adherence to individual provider guidelines are essential for successful BIMI implementation.
Key findings
- Provider Diversity: Each mailbox provider has its own rules and algorithms for BIMI logo display.
- VMC Importance: Gmail often necessitates a VMC (Verified Mark Certificate).
- Authentication Imperative: Valid SPF, DKIM, and DMARC with 'quarantine' or 'reject' DMARC policy are critical.
- Reputation's Role: Positive sender reputation and sufficient email volume are key factors.
- SVG Strictness: Correct SVG formatting, excluding bitmaps, is mandatory.
- Yahoo's Nuances: Yahoo might require a support ticket for smaller senders to be noticed.
Key considerations
- VMC Acquisition: Acquire a VMC if Gmail users are a significant target audience.
- Authentication Validation: Thoroughly validate SPF, DKIM, and DMARC configurations.
- DMARC Enforcement: Set DMARC policy to 'quarantine' or 'reject.'
- Volume Assessment: Ensure email volume meets provider-specific thresholds.
- Reputation Management: Actively monitor and manage sender reputation.
- SVG Compliance: Ensure the SVG logo adheres to BIMI specifications.
- Yahoo Support: Consider contacting Yahoo support for smaller senders if the logo is not displaying.
- Testing and Monitoring: Test BIMI implementation across multiple email clients and monitor results.
- Feedback Loops: Use feedback loops with mailbox providers to identify any deliverability issues.
- Consult resources: Consult resources for help with BIMI implementaiton and debugging.
What email marketers say
12 marketer opinions
BIMI logo display inconsistencies across email providers like Gmail, Yahoo, and AOL stem from variations in implementation policies, sender reputation, and technical requirements. Gmail often mandates a Verified Mark Certificate (VMC), while other providers consider factors like sender volume, authentication records (SPF, DKIM, DMARC), and logo formatting. Proper testing, monitoring, and adherence to specific provider guidelines are crucial for consistent BIMI implementation.
Key opinions
- Provider Variations: Each mailbox provider (Gmail, Yahoo, AOL) has its own specific requirements and algorithms for deciding whether to display a BIMI logo.
- VMC Requirement: Gmail typically requires a Verified Mark Certificate (VMC) for BIMI logos to be displayed, while other providers may not.
- Authentication: Proper setup of SPF, DKIM, and DMARC is essential for BIMI to work, but it is not always sufficient for logo display across all providers.
- Sender Reputation: Sender reputation and email volume can influence whether a mailbox provider displays the BIMI logo.
- Logo Formatting: Incorrect SVG formatting (e.g., including bitmap images) can prevent the BIMI logo from displaying.
Key considerations
- VMC Acquisition: Consider obtaining a VMC if targeting Gmail users to ensure BIMI logo display.
- Authentication Verification: Thoroughly verify SPF, DKIM, and DMARC records to ensure proper email authentication.
- Volume Assessment: Assess email sending volume to determine if it meets the minimum thresholds for certain mailbox providers.
- Reputation Monitoring: Monitor sender reputation using tools like MXToolbox to identify and address any deliverability issues.
- Testing Across Clients: Test BIMI implementation across various email clients (Gmail, Yahoo, AOL) to ensure consistent display.
- SVG Validation: Validate the SVG logo file to ensure it meets the BIMI specifications and does not contain any errors.
- Feedback Loops: Implement and actively monitor feedback loops provided by mailbox providers to identify deliverability issues.
- Provider Documentation: Consult specific documentation of each mailbox provider
Marketer view
Marketer from Email Geeks shares a link to Yahoo's BIMI requirements and support options: <https://senders.yahooinc.com/bimi>
10 May 2024 - Email Geeks
Marketer view
Email marketer from Email on Acid answers that issues with BIMI logo display can arise from incorrect SVG formatting or validation problems. The SVG file must adhere to specific requirements, such as being a vector graphic and not containing any embedded bitmaps.
21 Dec 2023 - Email on Acid
What the experts say
4 expert opinions
Inconsistent BIMI logo display across email providers arises from varying requirements and sender characteristics. Gmail often necessitates a VMC for proper display, while other providers like Yahoo may require a support ticket for smaller senders or are influenced by sender volume and reputation. Proper implementation, SVG formatting, and consulting resources are crucial for troubleshooting.
Key opinions
- VMC Requirement: Gmail requires a VMC for reliable BIMI logo display.
- Yahoo's System: Yahoo's system might not automatically notice smaller senders, requiring a support ticket to prompt the logo display.
- Volume and Reputation: Lower email volume or sender reputation can negatively impact BIMI logo display across various providers.
- Implementation Resources: A range of resources exists to assist with proper BIMI implementation, SVG formatting, and troubleshooting.
Key considerations
- Obtain VMC: If Gmail is a primary target, consider acquiring a VMC to ensure consistent BIMI logo display.
- Contact Yahoo Support: For Yahoo, consider contacting sender support if the logo isn't displaying despite meeting other criteria.
- Improve Volume/Reputation: Focus on improving email volume and sender reputation to enhance BIMI display across providers.
- Use Implementation Guides: Utilize available BIMI implementation guides and tools to ensure proper setup and validation.
- Check SVG: Ensure SVG has the correct format and doesn't contain bitmaps
Expert view
Expert from Email Geeks suggests that the sender might be too small for Yahoo's system to notice by default, but they can ask about it via a sender support ticket, assuming all other criteria are met (no bitmap in the SVG, appropriate DMARC policy, etc.).
12 Jun 2022 - Email Geeks
Expert view
Expert from Email Geeks shares an ordered list of resources for implementing BIMI and what to expect: • <https://bimigroup.org/implementation-guide/|Implementation Guide> • <https://bimigroup.org/svg-conversion-tools-released/|SVG Conversion Tools Documentation> • <https://bimigroup.org/bimi-generator/|BIMI Validation Tool> • <https://bimigroup.org/i-created-a-bimi-record-now-what/|What to Expect Next> • <https://bimigroup.org/verified-mark-certificates-vmc-and-bimi/|Verified Mark Certificates> • <https://bimigroup.org/where-is-my-bimi-logo-displayed/|Where Logos Are Displayed>
2 Jan 2022 - Email Geeks
What the documentation says
6 technical articles
Inconsistent BIMI logo display across email providers like Gmail, Yahoo, and AOL is due to variations in each provider's implementation policies. These policies consider factors such as sender reputation, email volume, DMARC compliance, authentication standards, and SVG logo specifications. For Gmail, a Verified Mark Certificate (VMC) is often necessary. Proper BIMI implementation requires adherence to each provider's unique requirements and may involve contacting support.
Key findings
- Provider-Specific Policies: Each mailbox provider has its own unique criteria for displaying BIMI logos.
- Gmail and VMC: Gmail often requires a Verified Mark Certificate (VMC) for BIMI logos to display properly.
- DMARC Compliance: Proper DMARC configuration, with a policy of 'quarantine' or 'reject,' is essential for BIMI to function.
- Sender Reputation Matters: Sender reputation, email volume, and engagement rates influence BIMI logo display.
- SVG Requirements: SVG logo specifications and proper formatting are critical for BIMI implementation.
Key considerations
- Obtain a VMC: If Gmail is a primary target, obtain a Verified Mark Certificate (VMC) to improve logo display chances.
- Check DMARC: Ensure DMARC is properly configured and set to 'quarantine' or 'reject.'
- Improve Reputation: Focus on improving sender reputation and email volume to meet provider requirements.
- Validate SVG: Carefully check the SVG logo to make sure it meets all specifications.
- Review Provider Policies: Thoroughly review the specific BIMI implementation policies of each email provider.
- Contact Support: Contact sender support at specific providers, such as Yahoo, if you meet all criteria, but your logo doesn't appear.
Technical article
Documentation from Port25 explains that understanding the specific BIMI implementation policies of each mailbox provider is crucial. Each provider has its own criteria for displaying BIMI logos, and senders need to adhere to these policies to ensure consistent display.
22 Aug 2022 - Port25
Technical article
Documentation from Yahoo answers that it has its own BIMI requirements, including DMARC policies, authentication standards, and SVG logo specifications. In some cases, a support ticket may be required to prompt the system to notice a sender.
21 Mar 2023 - Yahoo Sender Hub
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