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BIMI Image Format

What you see when your domain has this problem
BIMI Image Format Incorrect Details area Ignore
Monitor, detect and fix real world problems with your SPF and DKIM configuration

More Information About Bimi Image Format

Your BIMI logo isn’t displaying next to your company’s name in recipients’ inboxes and won’t be shown until corrective action is taken. Unfortunately, you’ve encountered a BIMI image format issue. The error most likely lies in the formatting of the BIMI logo itself, which is found in the l tag of the BIMI record.

Thankfully, there are steps you can take to fix the problem. A basic assessment of the BIMI record’s l tag formatting code could uncover the error and allow your logo to be clearly recognized by your customer base. Or, the problem might simply be that you’re not using the approved SVG image type. SVG image files end in .svg.

BIMI Image Guidelines

Making the image compatible/viewable is the goal for the BIMI image format. Your company’s logo image needs clarity. The only way to ensure that occurs for BIMI is to use a Scalable Vector Graphics (SVG) image. The SVG image must meet the following requirements, as noted in RFC 6170 Section 5.2:

  1. It can’t contain any Internationalized Resource Identifier (IRI) information references outside the B, C, and D image types.
  2. It can’t contain any “script” element.
  3. Its XML structure must use <LF> as the end-of-line (EOL) character when calculating a hash over the image.

Note: If the referenced SVG file is in a GZIP-compressed form (SVGZ file), the extension “svgz” is utilized.

BIMI Is Important

The BIMI standard allows email recipients to recognize and avoid fraudulent messages, such as phishing, spoofing, and spam. Protecting your company’s brand with BIMI not only benefits your business, it also safeguards your customers from harmful scams. BIMI is the future of email, and the future is now. Let MxToolbox lead your business email practices into the next phase of message delivery.


DMARC is the key to improving Email Deliverability!

Email is the key to your customer communication strategy. But, what is your email reputation?

Setting up and managing your DMARC configuration is the key to getting insight into your email delivery. MxToolbox is the key to understanding DMARC.

MxToolbox Delivery Center gives you:

  • Who is sending phishing email purporting to be from your domain
  • What is the reputation of your domains and delegated IPs
  • Where other senders are and What their reputations are
  • How your SPF, DKIM and DMARC setup is performing
  • What on-going maintenance you need to maintain and improve your email deliverability

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