I decided that it was time to learn about DKIM and deploy on my servers. As a habit, I typically run CentOS 5 and Sendmail since it is the default MTA.

To install the DKIM-milter, I would recommend using the packages provided by the "Extra Packages for Enterprise Linux (EPEL)"; a Fedora Project. Once you have the EPEL Repo setup on your system, you can:

Today a friend of mine had his site hacked, and when browsing to the site with Google Chrome it warned me that the site was infected with malicious code. Awhile back I provided an article regarding Monitor MythTV with Nagios. I figured I could write a Nagios check to see if a given site was listed on the Google Safe Browsing list.