config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
:address => 'smtp.gmail.com',
:port => '587',
:domain => 'gmail.com',
:user_name => 'yourname@gmail.com',
:password => 'yourgmailpassword',
:authentication => "plain",
:enable_starttls_auto => true
}