This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
To send email you will definately need some sort of account with some sort of system, even if that system is one you have created or installed yourself. What exactly do you want to do, and what mail facilities do you have already available?