iSync does not support the E series natively, but there are free plugins that can be downloaded from the Nokia web site here:

http://europe.nokia.com/mac

or more specifically for the E71, here:

http://europe.nokia.com/A4299040

Download the DMG package and mount it, then run the PKG file inside. This will add the plugin for the E71 into the Library.

If iSync is running, it does not have to be closed to install the plugin, but you will have to close and re-open the application before you will be able to use it.

Within iSync , select the option to Add a Device (ensure that Bluetooth is enabled both on the Mac and on the E71). You will be prompted on the E71 to accept the Bluetooth connection and to enter a PIN code for the connection (this can be anything you like).

You will then be prompted to enter the same PIN code on the Mac. Once connected, the E71 will be listed: