Use these when travelling around. IP Number Dynamically assigned. The IP number is your unique identifier on the Internet for the duration of your session. If your dialer does not appear to have this option, enter 0.0.0.0 in your IP number. The proxy server is a cache that significantly speeds up your connection to the Internet and is a feature of your Internet browser and your FTP client.
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Auto Proxy Detection Auto Config. This configures the proxy settings Automatically. Either use this or the direct manual input settings above. Full explanation click here . The oznet mail server.