Delayed Job Issue

class ContactsController < ApplicationController

  def create
    @contact = Contact.new(params[:contact])
    if @contact.valid?
      ContactMailManager.delay.send_contact_mail(@contact)
      redirect_to contact_path(1), :notice => t("contact.sent")
    else
      ...
    end
  end
end


class ContactMailManager
  extend MailManager

  def self.send_contact_mail(contact)
    addresses = find_contact_recipients
    addresses.each do |address|
      ::ContactsMailer.send_contact_mail(address,contact).deliver
    end
  end

end