Vidalia is a cross-platform controller GUI for Tor, built using the Qt framework.
it is possible to retrieve the IP address for more than 70% of BitTorrent users on top of Tor [LMC_POST10]. Moreover, once the IP address of a peer is retrieved, it is possible to link to the IP address other applications used by this peer on top of Tor.
tor ersetzt nicht die verschlüsselte verbindung zum mailserver