*   Trying 172.16.0.210:443...
* Connected to webmail.benocs.com (172.16.0.210) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
* TLSv1.3 (IN), TLS handshake, Certificate (11):
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
* TLSv1.3 (IN), TLS handshake, Finished (20):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384
* ALPN, server accepted to use http/1.1
* Server certificate:
*  subject: CN=webmail.benocs.com
*  start date: May 19 12:40:21 2020 GMT
*  expire date: Aug 17 12:40:21 2020 GMT
*  subjectAltName: host "webmail.benocs.com" matched cert's "webmail.benocs.com"
*  issuer: C=US; O=Let's Encrypt; CN=Let's Encrypt Authority X3
*  SSL certificate verify ok.
> GET /SOGo HTTP/1.1
> Host: webmail.benocs.com
> User-Agent: curl/7.69.1
> Accept: */*
> 
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
* old SSL session ID is stale, removing
* Mark bundle as not supporting multiuse
< HTTP/1.1 501 Request Failed
< Date: Tue, 09 Jun 2020 14:19:29 GMT
< Server: Apache/2.4.29 (Ubuntu)
< Sogo-Request-Duration: 0.001504
< Content-Type: text/plain; charset=UTF-8
< Content-Length: 0
< Strict-Transport-Security: max-age=15768000
< Connection: close
< 
* Closing connection 0
* TLSv1.3 (OUT), TLS alert, close notify (256):