send mail via smtp.yandex.com

Replies: 0

Versions:
WordPress: 4.9.4
WordPress MS: No
PHP: 5.6.31
WP Mail SMTP: 1.2.5

Params:
Mailer: smtp
Constants: No
ErrorInfo: 
Host: localhost
Port: 25
SMTPSecure: string(0) ""
SMTPAutoTLS: bool(true)
SMTPAuth: bool(false)

Server:
OpenSSL: Yes
SMTP Debug:
[empty]

I’ve tried to send mail via smtp.yandex.com but I got the error above.
Here is my setting https://i.imgur.com/DSLl9cA.png