tSendMail Client was not authenticated

[Anonymous]

[statistics] connecting to socket on port 3484

[statistics] connected

Exception in component tSendMail_1 (DBFileParserLight)

com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated

at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)

at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)

at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)

at javax.mail.Transport.send0(Transport.java:169)

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

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.tSendMail_1Process(DBFileParserLight.java:979)

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.runJobInTOS(DBFileParserLight.java:4251)

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.main(DBFileParserLight.java:3958)

[FATAL]: ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight - tSendMail_1 530 5.7.1 Client was not authenticated

com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated

at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388)

at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959)

at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583)

at javax.mail.Transport.send0(Transport.java:169)

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

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.tSendMail_1Process(DBFileParserLight.java:979)

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.runJobInTOS(DBFileParserLight.java:4251)

at ingestion_pipeline_dev2.dbfileparserlight_0_2.DBFileParserLight.main(DBFileParserLight.java:3958)

[statistics] disconnected

[Anonymous]

I got the same error "Client not authenticated" 
I was trying to implement Mailing component if a job fails on my company's smtp server.
When using talend to send mails for job failure on a local machine, I tried using port no 587 (as this is the default mailing port on machines) and local machine credentials.
That solved my issue .
Earlier I was using port no 25 but using Talend Studio on my local machine which landed me on this error.
But while trying to deploy it on a cloud server, organisations usually keep port no 25 as their  smtp port.

Do try this!
To know more about smtp ports - https://www.mailgun.com/blog/which-smtp-port-understanding-ports-25-465-587