gistfile1.scala

  private[bulk]
  def prepareEmailRequestBody(to: String, from: String, subject: String, body: String) = {
    List(
        "To: " + to,
        "From: " + from,
        "Subject: " + subject
    ).mkString("\r\n") + "\r\n\r\n" + body + "\r\n\r\n-----ET-----386a7a00-8f73-11e3-a781-775966473e19"
  }