heroku+SendGrid+Play2+JavaMailでメールを送る

01.scala

package controllers

import play.api._
import play.api.mvc._

object SendmailTest extends Controller {

  def index = Action {
    sendmail
    Ok(views.html.index("ok"))
  }

  def sendmail = {
    import java.util._
    import javax.mail._
    import javax.mail.internet._

    val props = System.getProperties
    val auth = new Authenticator {
      override val getPasswordAuthentication =
        new PasswordAuthentication(props.getProperty("mail.smtp.user"), props.getProperty("mail.smtp.pass"))
    }

    val session = Session.getInstance(props, auth)

    val msg = {
      val m = new MimeMessage(session)
      m.setFrom(new InternetAddress("hiro@nisshiee.org"))
      m.setRecipients(Message.RecipientType.TO, "hiro@nisshiee.org")
      m.setSubject("This is test mail from heroku", "ISO-2022-JP")
      m.setSentDate(new Date)
      m.setText("これはテストメールです", "ISO-2022-JP")
      m
    }

    Transport.send(msg)
  }
}