Example Incoming Email Receiver for a Rails Application

emails_controller.rb

# app/controllers/emails_controller.rb
class EmailsController < ActionController::Base
  def create
    if EmailToSmsReceiver.receive(request)
      render :json => { :status => 'ok' }
    else
      render :json => { :status => 'rejected' }, :status => 403
    end
  end
end

incoming.rb

# app/email_receivers/incoming.rb
class EmailToSmsReceiver < Incoming::Strategies::Postmark
  def receive(mail)
    send_sms([mail.subject, mail.body].join(": "))
  end
  private
    def send_sms(message)
      # Insert twilio magic here
    end
end

routes.rb

# config/routes.rb
Rails.application.routes.draw do
  post '/emails' => 'emails#create'
end