Exception to fix javax.mail.AuthenticationFailedException exception

Question

I am learning how to send an email with javamail API, i have created the necessary properties and instructions to send a simple email using SMTP server, and i am using this code

Answer 1

First, read this JavaMail FAQ entry about common mistakes. After correcting them, read this JavaMail FAQ entry that tells you how to connect to Gmail. If it still doesn't work, this JavaMail FAQ entry about debugging will help.