class ActionMailer::MessageDelivery

def initialize(mailer_class, action, *args) # :nodoc:
  @mailer_class, @action, @args = mailer_class, action, args
  # The mail is only processed if we try to call any methods on it.
  # Typical usage will leave it unloaded and call deliver_later.
  @processed_mailer = nil
  @mail_message = nil
end