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.
There's a subframework within Rails, Action Mailer, that is used to send/receive emails.
Try using script/generate mailer <mailername> <mail action> <mail action2> for a quick review.