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A 60-Second Guide to Digital Signature Creation

A digital signature is a way for individuals and organizations to know whether something can be trusted. Digital signatures bring digital trust into the fold by providing authenticity and integrity to everything, from PDF invoices from vendors and emails from colleagues to the software apps you install onto your computer and the connections that secure them.

All of this brings to mind the question: … Read More

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How to Fix ‘The Signature Uses an Unsupported Algorithm. The Digital Signature Is Not Valid.’

Running into this error when sending digitally signed messages to Gmail users? We’re here to help with this quick-fix guide

Few things are more frustrating for marketers and tech users than seeing this type of error message when sending messages to select users:

 The signature uses an unsupported algorithm. The digital signature is not valid.

Ugh. Now, you’re stuck scouring online forums to figure out… Read More

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‘At Least One Signature Is Invalid’: How to Fix an Invalid Signature in a PDF (Adobe)

Learn what causes this PDF-related error in Adobe Acrobat and Reader and how to fix it

Since you’re here reading this article, I’ll assume that you’ve received an error informing you that “at least one signature is invalid” in a PDF in Adobe Acrobat (which looks like this):

Invalid signature in a PDF example: A screenshot of how the PDF signature invalid error displays in an Adobe Acrobat PDF
Image caption: A screenshot of the PDF signature error in Adobe Acrobat, which states that “at least one signature is invalid.”
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Can You Use BIMI Without a Verified Mark Certificate (VMC)?

Yes, you can implement BIMI without a VMC — here’s how you can (and why to reconsider)

The term brand indicators for message identity (BIMI) refers to an email authentication standard that allows you to display your company’s brand logo in recipients’ inboxes and emails.

Because BIMI isn’t dependent on having a Mark Certificate such as a VMC or a Common Mark Certificate (CMC), you can implement BIMI Read More

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What Is a BIMI DNS Record? A 2-Minute Look (5 BIMI DNS Record Examples)

Brand indicators for message identification (BIMI) is an email authentication standard that allows businesses and other organizations to display their brands’ logos in the sender field of outbound emails. Using a BIMI DNS record is a great way to prove the authenticity of your marketing and outreach messages while building trust that your emails haven’t been compromised after you hit “send.”

But wha… Read More

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How to Set Up BIMI for Your Domain (5 Steps)

Wondering how to implement BIMI? It’s not just about knowing how to create a BIMI record on your domain — there’s more to the process. And those steps occur in a specific order.

If you’re looking for a quick-hit overview, check out the table below. Otherwise, keep reading or click on a link in the table below to jump to the specific BIMI implementation step you want to review.

A 20-Second Overview: H

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How to Create a BIMI Record (Set Up BIMI in 3 Easy Steps)

We assume that you already know what BIMI (brand indicators for message identification) is and want to learn more about the technical of how to create a BIMI record for your domain name system.

Knowing this, we’ll cover the detailed steps you must complete in order to set up a BIMI record. Click this link to jump straight to the 3 steps.

Otherwise, there are a few quick last-minute housekeeping items… Read More

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5 Free BIMI Checker and Inspector Tools

Having a brand Indicators for message identification (BIMI) record doesn’t do you any good if it isn’t properly configured and set on your domain name system (DNS). This is why it’s crucial to check your BIMI records and logo after adding the required resources to your domain.

Ready to check BIMI to ensure you’re good to go to start displaying your logo in the email sender field? We’ve put together … Read More

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BIMI Certificate Cost: How Much Do Common & Verified Mark Certificates Cost?  

We’ll examine BIMI certificate costs by looking at Common and Verified Mark Certificate pricing to understand the bang you get for your buck… 

A Verified Mark Certificate is a digital certificate that allows you to display your company’s trademarked or government-claimed mark logo in the email sender field. This is great both in terms of increasing the brand recognition and email open rates of… Read More

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VMCs and CMCs: Can I Get a BIMI Certificate for Free?

Spoiler Alert: You can’t get a free Verified Mark Certificate (VMC) or Common Mark Certificate (CMC) due to the manual validation that’s required.  

Mark certificates are key to displaying your brand’s logo upfront in recipients’ inboxes and in the sender field of emails on Gmail, Yahoo, Apple Mail, and other major email clients. But a Common or Verified Mark Certificate isn’t something yo… Read More

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