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Hi, I developing a program. but I have a doubt because I want to know the IPAddres when I connect to Internet by modem I have used the $SERVER_ADDR and $REMOTE_ADD, and it gives me the local ip "127.0.0.1" or "192.168.0.1" I would like to know if someone knows how to obtain the modem address, and if possible how can I send an emial.