How to install and configure dkim with OpenDKIM and Exim on a CentOS 7 VPS

how-to-install-and-integrate-opendkim-with-postfix-on-a-centos-6-vpsIn this article we will walk you through the steps of installing and configuring dkim with OpenDKIM and Exim on a CentOS 7 SSD VPS.

You should have a working mail server setup with Exim before proceeding with this tutorial. Check our guide on how to set-up a mail server with Exim and Dovecot on a CentOS 7 VPS if you don’t have setup a mail server yet.

What is OpenDKIM?

OpenDKIM is an open source implementation of the DKIM (Domain Keys Identified Mail) sender authentication system which is an email validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain is authorized by that domain’s administrators. A digital signature included with the message can be validated by the recipient using the signer’s public key published in the DNS.

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How to Install And Integrate DKIM With OpenDKIM And Postfix On a CentOS 6 VPS

how-to-install-and-integrate-opendkim-with-postfix-on-a-centos-6-vps

This tutorial is part 5 of the mailserver set-up with virtual users and domains using Postfix and Dovecot series. It goes through the steps of installing and integrating OpenDKIM in Postfix on a CentOS 6 Linux VPS.

After completing this tutorial you will end up having OpenDKIM adding digital signatures to your emails, thus making the mailserver set-up even more robust and professional.

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Install and Configure openDKIM on Debian Squeeze

Installing and Configuring openDKIM on Debian

This guide will show you how to install and configure openDKIM on a Debian Squeeze VPS. DKIM is a signature/cryptography email authentication technology used to validate that a message was sent by an authorized source. DKIM allows an organization to take responsibility for transmitting a message, in a way that can be verified by a recipient. More information can be found at the official DKIM web site.

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