gistfile1.scala

  def signupMailBody(user: User, validationLink: String): Elem = {
    val templatePath = List("user", "signupmailbody")
    val template = Templates.findRawTemplate(templatePath, S.locale)

    template.map(t => {
       val out = ("#dear" #>  user.shortName &
        "#validationLink [href]" #> validationLink)(t)
      out.head.asInstanceOf[Elem]
    }).openOr {
      val msg = "template: " + templatePath + " not found"
      error(msg)
      throw new Exception(msg)
    }
  }