Async Emails With Sorcery by delayed_job

sorcery_async_email.rb

#config/initializers/sorcery_async_email.rb 
module Sorcery
    module InstanceMethods
      def generic_send_email(method, mailer)
        config = sorcery_config
        config.send(mailer).delay.send(config.send(method),self)
      end
    end
  end
end 

This the original sorcery method

  def generic_send_email(method, mailer)
    config = sorcery_config
    mail = config.send(mailer).send(config.send(method),self)
    if defined?(ActionMailer) and config.send(mailer).superclass == ActionMailer::Base
      mail.deliver
    end
  end

That is very simple overwrite, so I am not sure your problem, maybe you should check all your setting