Proxy servers are very important because of the possibility of classifying the IP address of the server on which the system is installed for performing automatic connection. Then on Google you will be prompted to enter the Captcha code. After several such attempts in one day, this address may be ustany as dangerous. Purchase of proxy servers is not expensive and due to check the IP address by Google recommend this method of operation robot built into the system.
On the home page in the top menu, click on the Proxy element. Is available here on the Add the proxy server button and a table with the already defined addresses. Successively are the server number, URL or IP, port, username and password to the server, how many times was used and the buttons to perform an action.