Other option is the Ryan Bates screencasts, below are some that can help you:
currently i am also busy with this task and i have followed your link and yes this is working :D thanks
You could try this post, which indicates how to configure and send emails with Rails: http://guides.rubyonrails.org/action_mailer_basics.html
that, together with a simple web form to collect the data, could be a simple solution for sending emails.
I hope you find it useful.
I am currently creating a new RoR application and was wondering if its possible for a user to contact me via email within the site, basically, it should have a name, email address and message field that the user fills in and the message automatically gets sent to my email address.
Thanks in advance.