Knowledge Base

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.

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.

WHOIS Email DCV Deprecation

Understanding Certificate Transparency (CT) Logs and Precertificates

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

Access New Sectigo Public Certificate Chain

Digitally sign a PDF document in Bluebeam Revu by using a Digital ID stored on a hardware token.

Do not assume that a new code signing certificate/document signing can be installed on your existing physical token. Sectigo-provisioned token orders described here include a new token; existing customer-managed hardware requires confirmation of support and enrollment requirements.

This article explains how to sign a PDF in Adobe Acrobat Reader DC using a document signing certificate stored on a USB token.

Sectigo customers request a Verified Mark Certificate (VMC) through the Sectigo shopping page and a guided certificate ordering wizard.