Is there any away to find out someones IP address by just knowing there Email address only, and if so, how do you go about doing it?
It's not a simple yes/no question. Some email systems record the IP of the original sender, some do not. Some, like I think Yahoo for example, only record the IP of the server that accepted the message.
Email Addresses are accounts. In a way, so ar IP Addresses. But there is no logical or programmatical tie between the two.