Various approaches exits to fight one of the most annoying problems of today\'s Internet: spam.

Dspam is an open-source content-based adaptive spam filter. It can be and has been deployed as a light-weight single-user local filter up to enterprise-level hundred thousands mail-boxes mail gateways.

This talk, presented from the admin\'s and user\'s point of view, aims to familiarize the attendance with: - dspam history - building and installing Dspam (supported platforms, build system, dependencies) - storage drivers - integrating Dspam into existing mail infrastructure (MTA/MDA/LDA and LDAP integration) - administering Dspam: automatic and manual (re)training, database optimization. - advanced features: shared and inoculation groups, using dspam as general purpose classifying tool.

A complementary tool is RABL - a statistical, machine-automated and up-to-the-second blackhole list server.

A short comparison with similar tools will be provided.

Ion-Mihai "IOnut" Tetcu is a 29 years old FreeBSD ports committer living in Bucharest, Romania. Started with maintaining mail/dspam-devel in 2003 he now looks over around 50 ports in various categories. Since beginning of June he is a member of the FreeBSD Ports Management Team. His main interest these days revolves around QA test and procedures for the 20K+ thirds party applications composing FreeBSD's Ports Tree. He is also one of the core members of the Dspam Project.

His non-IT interests include history, philosophy and mountain climbing.