Knowledge Base

Document Signing

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How to Become DMARC Compliant for VMC Certificates?

Updated on December 5, 2025
928 people found this helpful
Learn how to achieve DMARC compliance for Verified Mark Certificates (VMC). This guide explains DMARC, its importance for email security, and step-by-step instructions for configuring SPF, DKIM, and DMARC records.

How to Sign a Microsoft Word Document with a Digital Signature?

Updated on December 5, 2025
913 people found this helpful
Learn how to securely sign Microsoft Word documents using a digital signature and a document signing certificate. This step-by-step guide ensures authenticity, accountability, and integrity for official or sensitive files.

Access New Sectigo Public Certificate Chain

Updated on October 20, 2025
2042 people found this helpful
Access New Sectigo Public Certificate Chain

WHOIS Email DCV Deprecation

Updated on January 9, 2025
621 people found this helpful
WHOIS Email DCV Deprecation

Understanding Certificate Transparency (CT) Logs and Precertificates

Updated on September 18, 2024
755 people found this helpful
Understanding Certificate Transparency (CT) Logs and Precertificates

Enterprise Public Key Infrastructure (E-PKI) Manager User guide

Updated on October 9, 2026
537 people found this helpful
Enterprise Public Key Infrastructure (E-PKI) Manager User guide

How to sign a PDF document in Bluebeam Revu

Updated on September 26, 2026
940 people found this helpful
Digitally sign a PDF document in Bluebeam Revu by using a Digital ID stored on a hardware token.

How to add a digital signature to a PDF in Adobe Acrobat Reader DC (USB token).

Updated on July 4, 2026
1076 people found this helpful
This article explains how to sign a PDF in Adobe Acrobat Reader DC using a document signing certificate stored on a USB token.

How do you request a Verified Mark Certificate?

Updated on June 26, 2026
970 people found this helpful
Sectigo customers request a Verified Mark Certificate (VMC) through the Sectigo shopping page and a guided certificate ordering wizard.

SafeNet Authentication Client Download for Sectigo Certificates on eToken

Updated on June 19, 2026
3486 people found this helpful
This article explains how to download and install the SafeNet Authentication Client (SAC) so you can use Sectigo certificates supplied on an eToken across Windows, Linux, and macOS.

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