Voting Question: I need to find out about spam emails?

I am so sick and tired of recieving theese fraudulent emails from differnent parts or the worl or countries from people telling me that my name or email address was in a drawing and it won alot of money or something. I want this stopped immediately and I do not want anymore of theese emails from anyone. How can I find out who is sending my information out to people, how do theese people get my information and how to completely get rid of theese emails? Please contact me asap and let me know!