"main" javax.mail.AuthenticationFailedException:

Java email sending exception with google account

Exception in thread "main" javax.mail.AuthenticationFailedException: 534-5.7.14 <https://accounts.google.com/ContinueSignIn?sarp=1&scc=1&plt=AKgnsbuup
534-5.7.14 IqqkRuDjMmFzeS4jfmU-M1RYjtZoIp1O6J8adnURMIQe6PZgmbT456zZ6zVtEFguXUz8Zl
534-5.7.14 mPMP1hK_73NkWIVs37DecEtdMmFRyg9yBu9VhUgjhkB95CRhvJHgBHDfuX5jPVCZFCNuvm
534-5.7.14 KDphLQyCoQ-QsOcTEGT2dnBOcCR4srrI1IaD-ms5o4fX9kcPH9fx3ghZxpTV5PEUSlWSJC
534-5.7.14 l-q_JybfhW1akjyXPY4ZIZb4E1dE> 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/bin/answer.py?answer=78754 gj5sm20978260pbb.22 - gsmtp

at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:823)
at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:756)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:673)
at javax.mail.Service.connect(Service.java:271)

at javax.mail.Service.connect(Service.java:91)


Solution.
1.Login in your gmail account
2.https://www.google.com/settings/security/lesssecureapps
3. Turn on it