On 22/04/2010 we have released the final version of Z-Push version 1.3.
This version introduces the remote wipe functionality.
You can disable remote wipe by setting the PROVISIONING parameter in config.php.
Devices can be adminstrated using a Zarafa Webaccess Plugin available the Zarafa homepage.
A command line tool will be introduced in Z-Push 1.4 which is already available as beta.