Com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 First you need to run the STARTTLS command

Question

I create an application in play 2.2.1 and try to add a mailbox to it. For this, I added a dependency in the build.sbt file. But I get an explanation below

my code

  String smtpHost = Play.application().configuration().getString("smtp.host"); Integer smtpPort = Play.application().configuration().getInt("smtp.port"); String smtpUser = Play.application().configuration().getString("smtp.user"); String smtpPassword = Play.application().configuration().getString("smtp.password"); Email mail = new SimpleEmail(); try { mail.setFrom(" [e-mail] "); mail.setSubject("hi"); mail.setMsg("This is the message"); mail.addTo(" [e-mail] "); } catch (Exception e) { e.printStackTrace(); } mail.setHostName(smtpHost); if (smtpPort != null && smtpPort > 1 && smtpPort < 65536) { mail.setSmtpPort(smtpPort); } if (!smtpUser.isEmpty()) { mail.setAuthentication(smtpUser, smtpPassword); } try { mail.send(); } catch (Exception e) { e.printStackTrace(); } 

Included code in application.conf

 # Email Configuration smtp.host=smtp.gmail.com smtp.port=587 smtp.ssl=yes smtp.user=" [e-mail] " smtp.password="123456" smtp.auth=true smtp.STARTTLS.enable=true 

But I get an exception

 org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.gmail.com:587 at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1410) at org.apache.commons.mail.Email.send(Email.java:1437) at controllers.SendMail.registrationSuccessful(SendMail.java:53) at controllers.JobseekerController.registerJobseeker(JobseekerController.java:62) at Routes$$anonfun$routes$1$$anonfun$applyOrElse$11$$anonfun$apply$11.apply(routes_routing.scala:185) at Routes$$anonfun$routes$1$$anonfun$applyOrElse$11$$anonfun$apply$11.apply(routes_routing.scala:185) at play.core.Router$HandlerInvoker$$anon$7$$anon$2.invocation(Router.scala:183) at play.core.Router$Routes$$anon$1.invocation(Router.scala:377) at play.core.j.JavaAction$$anon$1.call(JavaAction.scala:56) at play.db.jpa.TransactionalAction$1.apply(TransactionalAction.java:20) at play.db.jpa.TransactionalAction$1.apply(TransactionalAction.java:18) at play.db.jpa.JPA.withTransactionAsync(JPA.java:177) at play.db.jpa.TransactionalAction.call(TransactionalAction.java:15) at play.core.j.JavaAction$$anon$3.apply(JavaAction.scala:91) at play.core.j.JavaAction$$anon$3.apply(JavaAction.scala:90) at play.core.j.FPromiseHelper$$anonfun$flatMap$1.apply(FPromiseHelper.scala:82) at play.core.j.FPromiseHelper$$anonfun$flatMap$1.apply(FPromiseHelper.scala:82) at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:278) at scala.concurrent.Future$$anonfun$flatMap$1.apply(Future.scala:274) at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:29) at play.core.j.HttpExecutionContext$$anon$2.run(HttpExecutionContext.scala:37) at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:42) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Caused by: com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS command first. cq6sm31661301pad.30 - gsmtp at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2057) at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1580) at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1097) at javax.mail.Transport.send0(Transport.java:195) at javax.mail.Transport.send(Transport.java:124) at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1400) ... 26 more 

How can I solve this problem?

Answer 1

I think you need to indicate that you are sending a TLS email before sending the email.

 mail.setTLS(true); 

I am not 100% sure, but I think this can solve the problem.

You can also refer to this user guide for more information: https://commons.apache.org/proper/commons-email/userguide.html

Answer 2

At the very beginning, I had the same problem that you encountered.

And when I changed smtp.STARTTLS.enable=true to smtp.starttls.enable=true , everything works.

Answer 3

I found that a working solution to this problem.

Here is the code:

 Properties properties = new Properties(); properties.put("mail.smtp.host", mailAccount.getMailHost()); properties.put("mail.smtp.port", mailAccount.getPort()); properties.put("mail.smtp.auth", mailAccount.isAuth()); properties.put("mail.smtp.starttls.enable",mailAccount.isStartTls());