dont work WP Mail SMTP after update 4.9.7

Replies: 3

Hi!All was good yestarday.
But now i want to make new tests my mail by smtp.
And something go wrong:
Versions:
WordPress: 4.9.7
WordPress MS: No
PHP: 5.6.36
WP Mail SMTP: 1.2.5

Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Host: smtp.yandex.ru
Port: 465
SMTPSecure: ssl
SMTPAutoTLS: bool(true)
SMTPAuth: bool(true)

Server:
OpenSSL: Yes
Apache.mod_security: No
SMTP Debug:
2018-07-06 10:35:44 Connection: opening to ssl://smtp.yandex.ru:465, timeout=300, options=array (
)
2018-07-06 10:35:44 Connection: Failed to connect to server. Error number 2. “Error notice: stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
2018-07-06 10:35:44 Connection: Failed to connect to server. Error number 2. “Error notice: stream_socket_client(): Failed to enable crypto
2018-07-06 10:35:44 Connection: Failed to connect to server. Error number 2. “Error notice: stream_socket_client(): unable to connect to ssl://smtp.yandex.ru:465 (Unknown error)
2018-07-06 10:35:44 SMTP ERROR: Failed to connect to server: (0)
2018-07-06 10:35:44 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting