Does domain/IP reputation affect BIMI logo display with VMC?
Matthew Whittaker
Co-founder & CTO, Suped
Published 11 May 2025
Updated 18 Aug 2025
7 min read
When you invest in BIMI (Brand Indicators for Message Identification) and a Verified Mark Certificate (VMC), the goal is simple: to get your brand's logo prominently displayed next to your emails in the recipient's inbox. This visual cue significantly boosts brand recognition and trust. However, many senders wonder if their domain or IP reputation plays a role in this display, especially with major mailbox providers like Google and Yahoo. It's a valid concern, as email deliverability often hinges on these underlying reputation metrics.
The intersection of BIMI, VMC, and reputation
BIMI is a powerful email standard that allows companies to display their official, verified logos in supporting inboxes. For most major providers, achieving this requires a DMARC policy set to enforcement (p=quarantine or p=reject) and a Verified Mark Certificate (VMC). The VMC acts as a digital seal, proving that your organization legitimately owns the trademarked logo you wish to display. It's a critical step in verifying your brand identity.
While DMARC and VMC are technical prerequisites, they are not the only factors. Think of it this way: a VMC confirms who you are, but your domain and IP reputation tell mailbox providers how trustworthy you are as a sender. These providers are ultimately trying to protect their users from spam and phishing, and a poor reputation can signal potential risk, even if all authentication passes.
This is where the intersection becomes crucial. Mailbox providers, including Google and Yahoo, maintain sophisticated internal systems that evaluate the sender's reputation before deciding whether to display the BIMI logo. Your reputation acts as an additional layer of trust. Even with all technical checks passing, a low reputation can lead to your logo being suppressed, or worse, your emails landing in the spam folder.
How reputation influences BIMI logo display
Mailbox providers like Gmail (a Google service) and Yahoo are transparent about their reliance on sender reputation. Even when you have a VMC in place, your BIMI logo might not always appear if your domain or IP reputation is subpar. They assess various metrics to determine this reputation, ensuring that only trusted senders get the privilege of logo display. This protects their users and the integrity of their platform.
Key reputation metrics include factors like spam complaint rates, bounce rates, and whether your sending IPs or domains are listed on any significant public or private email blocklists (also known as blacklists). If these metrics indicate problematic sending behavior, providers may withhold the BIMI logo. This means that while a VMC verifies your logo's authenticity, a strong sender reputation validates your trustworthiness as an email sender.
It's a common misconception that simply having a VMC guarantees logo display. As the BIMI Group itself states, VMCs are not a golden ticket for logo display, and sender reputation and mailbox provider policies play a significant role. You can read more about this on the BIMI Group's own page.
Technical authentication
DMARC enforcement: A strict DMARC policy (p=quarantine or p=reject) is foundational. Without it, BIMI won't work.
SPF and DKIM: These protocols are essential for DMARC alignment and overall email authentication.
Verified Mark Certificate (VMC): Validates the authenticity of your trademarked logo.
Minimal bounce rates: High bounce rates, especially hard bounces, signal poor list hygiene and can hurt reputation.
No blocklist listings: Being on an IP or domain blocklist (or blacklist) can severely impact deliverability and logo display.
Consistent sending volume: Regular, predictable sending helps build a stable and trusted reputation.
Improving your sender reputation for BIMI display
If you're facing issues with your BIMI logo displaying, even with a VMC, improving your domain and IP reputation is often the next step. This involves a holistic approach to your email program, focusing on best practices that signal trustworthiness to mailbox providers. Regularly checking your sender score and monitoring your domain reputation through tools like Google Postmaster Tools can provide valuable insights.
List hygiene: Regularly clean your email lists to remove inactive, invalid, or spam trap addresses. Sending to engaged recipients reduces bounce rates and spam complaints.
Content quality: Ensure your email content is relevant, valuable, and not misleading. Avoid spammy keywords, excessive links, or deceptive practices.
Authentication beyond DMARC: While DMARC is critical for BIMI, proper SPF and DKIM implementation are also essential. They provide strong signals of authenticity, which contribute to your overall sender reputation. You can read a simple guide to these authentication methods.
Monitor blocklists: Regularly check if your sending IPs or domains are listed on any major email blocklists. Being on a blocklist (or blacklist) will severely impact your deliverability and, consequently, your BIMI logo display. Services that offer blocklist monitoring can help you stay on top of this.
By proactively managing these factors, you can build and maintain a robust sender reputation. This not only increases the likelihood of your BIMI logo displaying with VMC but also improves your overall email deliverability and inbox placement. A strong reputation is a prerequisite for any advanced email feature to function optimally.
Reputation is paramount
Remember, while a VMC verifies the authenticity of your logo, your domain and IP reputation dictate whether mailbox providers deem your emails trustworthy enough to display that logo. It's a combination of technical compliance and a solid sending history that truly unlocks BIMI's full potential. Mailbox providers prioritize user safety, and a good reputation is a key indicator of a legitimate sender.
Different mailbox provider approaches
It's important to note that different mailbox providers (MBPs) might have varying policies regarding BIMI logo display and the weight they give to sender reputation. While Google and Yahoo are known to factor in reputation significantly, some smaller providers might have different criteria. Some mail clients may even show a logo without a VMC if DMARC is properly enforced, though this is becoming less common for prominent display.
For instance, Yahoo explicitly considers sender reputation. If your domain or IP has a medium or poor reputation, your BIMI logo may not appear, even with a VMC. Gmail also states that they adjust the display of BIMI logos based on the sender's reputation. This underscores the need for a consistently high sender reputation across all your email activities.
To troubleshoot cases where your BIMI logo isn't appearing despite having a VMC, you should first check your domain and IP reputation metrics. Tools like Google Postmaster Tools provide insights into your reputation with Gmail. If these show areas for improvement, addressing them should be a priority. I have detailed information on how to troubleshoot issues where your Gmail BIMI logo isn't showing.
Mailbox provider
VMC requirement
Reputation impact
Google (Gmail)
Required for prominent display and blue checkmark.
Highly considered; poor reputation can prevent logo display.
Yahoo Mail
Not always mandatory, but highly recommended for consistent display.
Highly considered; direct impact on logo visibility.
Fastmail
Supports BIMI without VMC if DMARC is enforced.
Considered, but less emphasis on VMC for basic display.
Apple Mail (iOS 16+)
Requires VMC for branded mail logos.
Implicitly considered through DMARC and overall sender trustworthiness.
Views from the trenches
Best practices
Ensure your DMARC policy is at p=quarantine or p=reject to meet BIMI requirements for most providers.
Continuously monitor your domain and IP reputation using tools like Google Postmaster Tools.
Regularly clean your mailing lists to minimize spam complaints and bounces.
Proactively address any blocklist listings (blacklists) immediately to mitigate reputation damage.
Common pitfalls
Assuming a VMC alone guarantees BIMI logo display without considering sender reputation.
Neglecting DMARC alignment, which is a foundational requirement for BIMI.
Not actively monitoring spam complaints and bounce rates, leading to reputation decay.
Failing to clean inactive or problematic subscribers from your email lists.
Expert tips
Implement and enforce a strict DMARC policy (p=quarantine/reject) as the base for BIMI.
Obtain a Verified Mark Certificate (VMC) for your trademarked logo to ensure authenticity and broad support.
Maintain a consistently high domain and IP reputation through good sending practices.
Regularly analyze email performance metrics and reputation data to identify and address issues promptly.
Marketer view
Marketer from Email Geeks says that while they were looking into buying a VMC, they were unsure if Google considers domain or IP reputation for BIMI logo display, especially if their reputation on Google Postmaster Tools was only medium.
2023-01-17 - Email Geeks
Expert view
Expert from Email Geeks notes that Google definitely factors in domain and IP reputation for BIMI logo display. They evaluate metrics like spam complaint rates, bounce rates, and spam trap hits. A poor reputation can indeed make it harder for the logo to show up, even with a VMC.
2023-01-18 - Email Geeks
Achieving prominent BIMI logo display with a VMC
Ultimately, achieving consistent BIMI logo display, especially with a VMC, is a multi-faceted effort. It requires meticulous attention to email authentication standards like DMARC, SPF, and DKIM, combined with a steadfast commitment to maintaining a stellar sender reputation. The VMC validates your brand's identity, providing a critical layer of trust. However, reputation serves as the gatekeeper, ensuring that only mail from truly legitimate and well-behaved senders gets the enhanced visibility of a brand logo.
If you've implemented BIMI and VMC but your logo isn't appearing as expected, your domain and IP reputation should be among the first areas you investigate. Focus on keeping your complaint rates low, managing bounces, and staying off blocklists. By prioritizing both technical compliance and robust sender reputation, you significantly increase your chances of seeing your brand's logo shine brightly in every inbox.