def deliver_later
      Jobs::MailJob.perform_later(
          @email_id,
          @to,
          data: @email_data,
          from: @from,
          cc: @cc,
          bcc: @bcc,
          esp_account: @esp_account,
          version_name: @version_name,
          locale: @locale,
          files: @files,
          headers: @headers,
          tags: @tags
      ) if @email_id.present?
    end
def deliver_later
      Jobs::MailJob.perform_later(
          @email_id,
          @to,
          data: @email_data,
          from: @from,
          cc: @cc,
          bcc: @bcc,
          esp_account: @esp_account,
          version_name: @version_name,
          locale: @locale,
          files: @files,
          headers: @headers,
          tags: @tags
      ) if @email_id.present?
    end
Invoke <tt>SendWithUs::Api</tt> to deliver the message later via ActiveJob.
 The <tt>SendWithUs</tt> module is implemented in the +send_with_us+ gem.

 IMPORTANT NOTE: <tt>SendWithUs</tt> must be configured prior to calling this method.
 In particular, the +api_key+ must be set (following the guidelines in the
 +send_with_us+ documentation).