Tip Cache

Exim likes to add a "Sender" header to outgoing emails. If this differs from the "From" header you set, some email clients will note this.

Sometimes a switch statement can be neater than a bunch of if/elseif/else lines. Here's a simple way to do it.

Cameras and other digital devices can often capture video, but they don't use a space-friendly format. This script uses open source tools to encode an AVI into XVid and MP3.

This is a basic outline of how to setup virtual hosts in Exim with separate aliases for each domain.