David Schweikert

Snort-rep is a reporting software for Snort that generates both text and HTML output from a syslog file.

Mailgraph is a tool for viewing statistics related to emails in graphical format. It utilizes RRDtool as its framework and provides an easy-to-use frontend for monitoring email traffic.

Postgrey is a policy server designed for Postfix that uses greylisting to reduce spam. It was created by David Schweikert at the ISG.EE and helps prevent unwanted emails from reaching your inbox.