The intention is to enable signature domains to claim accountability for the email messages they deliver, allowing recipients to recognize the message's trusted source. DKIM does this by encrypting email communications using a cryptographic signature. For obvious reasons, it is a necessary component of your email security suite.
We'll walk you through setting up DKIM keys for Zimbra in this article.
DKIM signing for Zimbra can be enabled in two steps.
Keep in mind that the screenshot up top is merely an example. Please use the produced DKIM selector and public key rather than the ones offered, and replace domain.com with your own domain name.
You're done now!
It is customary to verify your DKIM records' validity after releasing them. You may accomplish this quickly and easily by entering your domain name and pressing the Lookup button on a free DKIM record lookup tool.
DKIM by itself is not sufficient to defend your domain from phishing and impersonation attempts. To make use of these advantages, your domain must have DMARC enabled.
Start your free DMARC trial right away!