Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
Linux: Wegweiser durch das Netzwerk - Sendmail
Kapitel 15 zu Sendmail aus der deutschen Übersetzung des "Linux Network Administrator's Guide" aus dem Linux Documentation Project.