Backscatter due to loopback MX

At work we have a relatively large shared webhosting system which consists out of two main parts: Database and web server (MySQL and Apache) Mail server (Postfix and Dovecot) However, recently the web server ended up on blacklists (DNSBL/RBL) fairly often, so I did my best to find out…

Java 7 on OS X Yosemite

If you want to install Java 7 on OS X 10.10 you probably already came across this annoying message: There is an easy way to fix this while customizing the installer and disabling the OS version check. Here's how to do so: Download the latest Java 7 dmg from…

Communigate Pro on Ubuntu LTS

Since there is no package for Debian based ditributions, here's a short guide how to install Communigate Pro 6.0 on Ubuntu LTS 12.04: First of all, we need alien to convert the .rpm based installer to a dpkg compatible one: aptitude install alien Download and install Communigate Pro:…