Google has traditionally been one of the toughest hosts to work with, Its requirement of a scanned signature and limited contact information makes them hard to reach, unless you know where to look.

Maria Langer, no doubt familiar to regular commenters on this site, has created a new Yahoo group for authors entitled “Authors Against Piracy”
The invite-only group is targeted at published authors to discuss “how authors and publishers can prevent electronic publications from being freely distributed by software pirates and pirate Web sites.”
If you wish to join [...]