DenySpam monitors a mail server log file and uses a firewall to temporarily block or redirect incoming packets from hosts that display spammer-like behavior.
Fighting email spam by introducing a non-functional primary MX and a functioning secondary MX with a delay (spammers don't attempt to use the secondary MX, but legit clients do - it's in the spec)
Java framework for extracting and querying full-text content and metadata from various information systems (e.g. file systems, web sites, mail boxes) and the file formats (e.g. documents, images) occurring in these systems.