javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted

Question

I am getting this error when I try to send mail using the JavaMail API:

javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accept         


        

Answer 1

Follow the steps:

1. Disable antivirus
2. Allow Less Secure App On
3. Two Step Verification should be turned off.