Easy WP SMTP plugin test email failed

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.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)