Ruby Mail auth

mail.rake

options = { :address              => "smtp.gmail.com",
            :port                 => 587,
            :domain               => 'gmail.com',
            :user_name            => user_name,
            :password             => password,
            :authentication       => 'plain',
            :enable_starttls_auto => true }

Mail.defaults do
  delivery_method :smtp, options
  # https://github.com/mikel/mail/blob/master/lib/mail/network/retriever_methods/imap.rb
  retriever_method :imap, { :address             => "imap.googlemail.com",
                               :port                => 993,
                               :user_name           => user_name,
                               :password            => password,
                               :enable_ssl          => true }
end