Error using tsendmail

[oguedda]

Hi All,

I am getting below error while tsendmail component

Exception in component tSendMail_1

Platform: Talend Open Studio 7.3.1

I am using a private mail server

i am using the SSL certificate and without any certificate in SMTP port 25 it works

Even with STARTTLS does not work

Exception in component tSendMail_1 (test_job

_piiff

)

javax.mail.MessagingException: Exception reading response;

 nested exception is:

     javax.net.ssl.SSLException: Unsupported or unrecognized SSL message

     at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:1462)

     at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1260)

     at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:370)

     at javax.mail.Service.connect(Service.java:297)

     at javax.mail.Service.connect(Service.java:156)

     at javax.mail.Service.connect(Service.java:105)

     at javax.mail.Transport.send0(Transport.java:168)

     at javax.mail.Transport.send(Transport.java:98)

     at local_project.test_job_piiff_0_1.test_job_piiff.tSendMail_1Process(test_job_piiff.java:8538)

     at local_project.test_job_piiff_0_1.test_job_piiff.tREST_1Process(test_job_piiff.java:8167)

     at local_project.test_job_piiff_0_1.test_job_piiff.runJobInTOS(test_job_piiff.java:8824)

     at local_project.test_job_piiff_0_1.test_job_piiff.main(test_job_piiff.java:8673)

Caused by: javax.net.ssl.SSLException: Unsupported or unrecognized SSL message

     at sun.security.ssl.SSLSocketInputRecord.handleUnknownRecord(Unknown Source)

     at sun.security.ssl.SSLSocketInputRecord.decode(Unknown Source)

     at sun.security.ssl.SSLTransport.decode(Unknown Source)

     at sun.security.ssl.SSLSocketImpl.decode(Unknown Source)

     at sun.security.ssl.SSLSocketImpl.readHandshakeRecord(Unknown Source)

     at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)

     at sun.security.ssl.SSLSocketImpl.ensureNegotiated(Unknown Source)

     at sun.security.ssl.SSLSocketImpl.access$200(Unknown Source)

     at sun.security.ssl.SSLSocketImpl$AppInputStream.read(Unknown Source)

     at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:97)

     at java.io.BufferedInputStream.fill(Unknown Source)

     at java.io.BufferedInputStream.read(Unknown Source)

     at com.sun.mail.util.LineInputStream.readLine(LineInputStream.java:75)

     at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:1440)

     ... 11 more

Please help me out in resolving the same.

Thanks,

Oussama

[gjeremy1617088143]

HI Oussama , maybe the port is wrong

could you try 465 instead?

maybe you have to add the certificate before sending the mail :

https://community.talend.com/s/article/Three-ways-to-set-a-truststore-for-an-SSL-TLS-connection-in-a...

Send me Love and Kudos

[oguedda]

Hello gjeremy

Thanks for the reply.

I also tried with port 465 but I had the same error.

I will try to add another component to import the certficat into the job.

Best regards,

Oussama.

[Anonymous]

Hello,

Does this problem come from TLS1.2?

As explained in this page, the TLS 1.0 and TLS 1.1 has been disabled in JDK 8 or 11, try the solutions and let me know if it works.

In addition to that, if you want SSL to be enforced, you may have to include a tSetKeyStore component and give the path where your cert/jks is placed. tSetKeyStore should be before tSendMail

Best regards

Sabrina

[oguedda]

Hello Sabrina,

Thanks for the reply,

I checked in the security files but the TLS is not disabled as mentioned on the article and I added the tkeystore to enforced the ssl but I still have the same problem.

really for once I don't see where the problem could come from 😔

Best regards

Oussama

[gjeremy1617088143]

Maybe your proxy or firewall is the problem

[oguedda]

I don't think so because I managed to send mail without an ssl or tls certificate on port 25. Is there a way to check if the problem comes from the firewall or the proxy ?

[gjeremy1617088143]

i had the same problem a year ago , when i used port 25 there is no issue but when i use an office365 mail with port 587 it wont work.

you could use telnet to check your smtp port.

you can also create a simple talend job who just send a mail and deploy it an run it on your mail server.

[oguedda]

I have already tested telnet on port 587 of my mail server and it worked, that's why i thought that really the problem is not with my server but with my talend script. So how did you manage to solve your problem?

[gjeremy1617088143]

have you tried with port 465 for SMTPS ?