<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=windows-1252">
  </head>
  <body text="#595959" bgcolor="#FFFFFF">
    <font face="Verdana">I just read a line in my logfile that I haven't
      noticed before:<br>
      <br>
      Aug 29 22:17:23 <myserver> dovecot[50098]: imap-login:
      Disconnected: Connection closed: SSL_accept() failed:
      error:14209102:SSL
      routines:tls_early_post_process_client_hello:unsupported protocol
      (no auth attempts in 2 secs): user=<>, rip=104.152.52.31,
      lip=10.10.10.37, TLS handshaking: SSL_accept() failed:
      error:14209102:SSL
      routines:tls_early_post_process_client_hello:unsupported protocol,
      session=</w+MZ7jKvLhomDQf><br>
      <br>
      Is this a TLS 1.3 related issue?<br>
      <br>
      /elise<br>
    </font>
  </body>
</html>