easy smtp test desnt work

Have download/installed easy smtp plugin and set up it as mentioned in video instructions. Afterwards tryied to test easy smtp but didnt worked, it mentioned the following message:

CLIENT -> SERVER: EHLO localhost CLIENT -> SERVER: AUTH LOGIN CLIENT -> SERVER: c3NvZnIxQHlhaG9vLmdy CLIENT -> SERVER: JEFjRShSKUAjMTIzNEA0NSVBU0Qm SMTP ERROR: Password command failed: 535 5.7.1 Authentication failed SMTP Error: Could not authenticate.CLIENT -> SERVER: QUIT SMTP Error: Could not authenticate.

Afterwards changed smtp.mail.yahoo.com uesd in smtp.mail.yahoo.gr that and apparead the following error message:

SMTP ERROR: Failed to connect to server: php_network_getaddresses: getaddrinfo failed: ????st?? ?e?t????? ?p?????st??. (0)SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

The settings for the easy smtp are: From Email Address: ssofr1@yahoo.gr From Name: Stavros Reply-To Email Address : SMTP Host: smtp.mail.yahoo.gr Type of Encryption: SSL/TLS SMTP Port: 465 SMTP Authentication: Yes SMTP Username: ssofr1@yahoo.gr

Please if you could assist,

Thank You