i did same thing on HDP2.5 but still showing below error 534-5.7.14 IvciS8yws8APKDFHijkrFoJ92wCiJPAO_hwu5n84JrRGIqSyumJ05MoXUq94ogjYKFwfS5 534-5.7.14 iP5EQUiY-JheLLz82D33Qp2yF8wuQkoQ6BAwjeCpThA9GoTte7WBFbZnRByREw7MnpQ3Am 534-5.7.14 qRMD4_bLAgQqiJIzCgxU1ppqCt9qc> Please log in via your web browser and 534-5.7.14 then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 e8sm22695829pga.72 - gsmtp at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:892) at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:814) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:728) at javax.mail.Service.connect(Service.java:386) at javax.mail.Service.connect(Service.java:245) at javax.mail.Service.connect(Service.java:194) at javax.mail.Transport.send0(Transport.java:253) at javax.mail.Transport.send(Transport.java:124) at org.apache.ambari.server.notifications.dispatchers.EmailDispatcher.dispatch(EmailDispatcher.java:160) at org.apache.ambari.server.notifications.DispatchRunnable.run(DispatchRunnable.java:58) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) ... View more