sekiz

ersions:
WordPress: 4.9.6
WordPress MS: No
PHP: 7.2.7
WP Mail SMTP: 1.3.3

Params:
Mailer: smtp
Constants: No
ErrorInfo: SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
Host: mail.promiba.com
Port: 587
SMTPSecure: tls
SMTPAutoTLS: bool(false)
SMTPAuth: bool(true)

Server:
OpenSSL: Yes
Apache.mod_security: No
SMTP Debug:

2018-07-20 09:42:55 Connection: opening to mail.promiba.com:587, timeout=300, options=array (
)
2018-07-20 09:42:56 Connection: opened
2018-07-20 09:42:56 SERVER -> CLIENT: 220 SurgeSMTP (Version 7.3e2-2) https://surgemail.com
2018-07-20 09:42:56 CLIENT -> SERVER: EHLO promiba.com
2018-07-20 09:42:56 SERVER -> CLIENT: 250-. Hello promiba.com (94.73.151.87)
250-AUTH LOGIN PLAIN
250-ETRN
250-STARTTLS
250-X-ID 636c7573746572333070726f7879312e6e6174726f686f73742e636f6d31393939323331303538
250-SIZE 50000000
250 HELP
2018-07-20 09:42:56 CLIENT -> SERVER: STARTTLS
2018-07-20 09:42:56 SERVER -> CLIENT: 220 go ahead, begin SSL/TLS negotiation
2018-07-20 09:42:56 SMTP Error: Could not connect to SMTP host.
2018-07-20 09:42:56 CLIENT -> SERVER: QUIT
2018-07-20 09:42:56 SERVER -> CLIENT: ?2????a[?????@????&??
2018-07-20 09:42:56 SMTP ERROR: QUIT command failed: ?2????a[?????@????&??
2018-07-20 09:42:56 Connection: closed
2018-07-20 09:42:56 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

? have the above problem . ? have used different smtp pluguins to allow contact form 7 but still no solution