After about four months, the first Chaosradio radio show that I was participating in. Subject of the show was the telecommunications surveillance act (TKUeV) and the corresponding technical directive. Starting from 1st January 2005, any "provider of telecommunication services" has to provide lawful interception interfaces for government and police authorities.
The big issue is that it isn't only about providers, but about anybody who runs more than 1000 mailboxes on an email server, even if it is non-for-profit.
If you're interested in the full show, you can download it from the usual location on ftp.ccc.de.