Easy WP SMTP plugin test email failed

Question

I'm new to the Wordpress world and just installed the Easy WP SMTP plugin on the website. At the time of sending the test email, I get an error message. The debug info says,

Debug Info
CLIENT -> SERVER: EHLO localhost
SMTP Error: Could not authenticate.CLIENT -> SERVER: QUIT
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

I added the setting here.

Anyone know what is the issue here?

Answer 1

If you want to configure Gmail account, you need to fill Encryption type: SSL Port: 465 Requires Authentication: Yes

Or you can try https://wordpress.org/plugins/wp-mail-bank/. This would help you in authenticating the Gmail account using oAuth.