object EmailService  {

  val mailerClient = new SMTPMailer(SMTPConfiguration(
    play.Play.application.configuration.getString("play.mailer.host"),
    play.Play.application.configuration.getInt("play.mailer.port"),
    user = Option(play.Play.application.configuration.getString("play.mailer.user")),
    password = Option(play.Play.application.configuration.getString("play.mailer.password"))))

 def sendEmailAfterRegistration(email: String, hash: String, lang: Option[Lang]) = {

    val mail = HashEmail.apply(hash, Activate, lang = lang)
    mailerClient.send(Email(mail.subject, mail.from, Seq(email.toLowerCase), bodyHtml = Some(mail.html())))
  }

  ......


}