Generate DKIM for Zimbra

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.

Zimbra Server DKIM record creation

DKIM signing for Zimbra can be enabled in two steps.

• Step 1:Starting zmdkimkeyutil. This assists you in creating DKIM keys for your LDAP-stored Zimbra server.
• Step 2:Configure the protocol by adding the DKIM DNS entries to your domain's DNS.
  • To begin, you must run the zmdkimkeyutil script on an MTA server.
  • After the script has finished running, your DKIM record data will be generated and shown on your screen.
  • This information needs to be copied to your keyboard.

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.