DKIM (DomainKeys Identified Mail) is an email authentication protocol that adds a digital signature to your messages. This helps verify that emails haven’t been altered in transit and confirms they were sent from your domain.
This guide will walk you through setting up DKIM for Proofpoint Essentials, an email security platform designed to protect your organization from spam, phishing, and other threats.
Each domain that sends email can be individually set up to sign outgoing messages using DKIM. To enable DKIM for your domain, you’ll need to create a signing key, publish the public key in your DNS settings, and confirm that it’s been added correctly.
Follow these steps:
Go to Administration > Account Management > Domains.
Find the domain you want to configure and click the vertical ellipsis (⋮) on the right side of the Domains table.
Select Configure DKIM from the dropdown menu.
You are also given an opportunity to save the private key to a secure location, in case you need it in the future. This is the only time this value will be displayed.
To update your DKIM record through Sendmarc, please refer to the Sendmarc DKIM Setup Documentation.
Proofpoint Essential’s official DKIM configuration guide can be found here.
Find out how to configure your Proofpoint Essentials SPF settings here.