Linux Uptime 13
If you’re looking for the fastest and easiest way to get DMARC verification working on a RedHat (Fedora, RHEL or CentOS) mail server, I highly recommend OpenDMARC. I’m a bit biased, as I currently maintain the OpenDMARC package in the Fedora and EPEL repositories. This article will help you install the […]

Installing OpenDMARC RPM via Yum with Postfix or Sendmail (for ...

Linux Uptime 6
CentOS 7 was released recently, and so I fired up my build VM so I could attempt to build the OpenDKIM package for submission to EPEL. But the compile barfs on strlcat/strlcopy, because RHEL/CentOS doesn’t have libbsd available (yet?). The libbsd package was a requirement for the package to work […]

Rant: Why is there no libbsd for CentOS 7?

DKIM Test Message 145
For those who want or need to compile and install OpenDKIM from the source code, you can follow the instructions I wrote in this article. If you’re looking for the fastest and easiest way to get OpenDKIM running on a RedHat or CentOS system, I currently maintain the OpenDKIM package in […]

Installing OpenDKIM RPM via Yum with Postfix or Sendmail (for ...

Before proceeding with this tutorial, and at the risk of possibly overstating what is obvious to some, I want to make three things clear:

How to get DKIM and DomainKeys working with Postfix on ...

Linux Uptime 180
Update! RPMs and Yum now available. I build and maintain the RPM packages of OpenDKIM for RHEL/CentOS and Fedora, which are available with Yum. For a much quicker and easier way to install OpenDKIM, read this. Of course, if you still prefer to go old-skool and compile your own binaries […]

How to get DKIM (DomainKeys Identified Mail) working with Postfix ...