gistfile1.txt

class ActivityMailer < ActionMailer::Base

  def reply(comment, deliver_to_user)
    @comment = comment
    mail(:subject => I18n.t(:'activity_mailer.subject', :project_name => project.name, :activity_name => response.activity.short_name),
         :from => "no-reply@example.com",
         :to => deliver_to_user.email)
  end

  def message(app_message)
    @body = app_message.text
    mail(:to      => app_message.recipient.email,
         :subject => "#{app_message.project.name}: #{app_message.subject}",
         :from    => "no-reply@example.com")
  end

end