javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted. For more information, go to
535 5.7.8 https://support.google.com/mail/?p=BadCredentials d2e1a72fcca58-70b7eb9c969sm1509429b3a.35 – gsmtp

at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:826)
at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:761)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:685)
at javax.mail.Service.connect(Service.java:317)
at javax.mail.Service.connect(Service.java:176)
at javax.mail.Service.connect(Service.java:125)
at com.w2a.utilities.MonitoringMail.sendMail(MonitoringMail.java:62)
at com.w2a.utilities.javaemail.main(javaemail.java:14)

Unable to send an email through java