![Postfix 2.9 Upgrade](https://i0.wp.com/www.stevejenkins.com/blog/wp-content/uploads/2012/08/postfix_upgrade.jpg?resize=570%2C300&ssl=1)
I’ve previously written a how-to for compiling Postfix from source on a CentOS 5 box. I recently tried following the same steps on a CentOS 6 box, to upgrade from Postfix 2.6.6 which is installed by default. I’m glad to report that the same instructions will work just fine to upgrade […]