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A Verified Mark Certificate (VMC) requires a registered trademark (or qualifying government seal) and enables the Gmail blue authenticated checkmark in addition to logo display. A Common Mark Certificate (CMC) does not require a registered trademark; your logo must only be in documented prior use for 12+ months, but it does not unlock the Gmail blue checkmark. Both certificates require DMARC enforcement, DKIM, and SPF, and both display your logo in BIMI-supporting inboxes.
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BIMI and Verified Mark Certificates are supported by all major email clients. The following inbox providers currently display logos for senders with a valid VMC or CMC and BIMI record:
The list of participating providers continues to grow as BIMI adoption increases. Gmail’s requirement for a VMC to show the blue checkmark has been a key driver of VMC adoption among enterprise senders.
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A DigiCert Verified Mark Certificate through SSL Dragon starts at $1,249/year for a 1-year term, dropping to $1,049/year on a 3-year subscription. A DigiCert Common Mark Certificate starts at $949/year (1 year) or $799/year (3 years).
Compared to buying directly from DigiCert, purchasing through an authorized partner like SSL Dragon offers competitive pricing on the same genuine certificate with the same DigiCert validation and issuance.
One VMC is required per unique logo and per unique base domain. If your organization sends email from multiple domains using the same trademarked logo, you’ll need a separate VMC for each domain. Both VMC and CMC certificates have a maximum validity period of 397 days, identical to TLS/SSL certificates. You can buy VMC as multi-year subscriptions to lock in a lower annual rate.
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验证过程与 EV SSL 证书类似,包括
整个过程通常需要 7-14 天(VMC)或 5-10 天(CMC)。
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您的徽标必须是 SVG Tiny PS(SVG Tiny 1.2 Portable/Secure)格式,并附带:
您可能需要一个设计器或 SVG 转换工具来满足这些 BIMI 规范。
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参与 BIMI 的主要邮箱提供商包括
随着越来越多的电子邮件客户端采用 BIMI 标准,这份名单也在不断扩大。
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这些都是可协同工作的电子邮件身份验证协议:
要使 BIMI 和标记证书发挥作用,三者缺一不可。
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BIMI(信息识别品牌标识)是一种电子邮件验证标准,允许企业在收件人的收件箱中显示自己的徽标。需要提供徽标证书(VMC 或 CMC),以证明您合法拥有要显示的徽标。如果没有适当的电子邮件验证(SPF、DKIM、DMARC)和有效的徽标证书,BIMI 将无法工作。
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不,VMC 需要商标标识。如果您没有,则可选择 CMC。
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