CODE EXAMPLE FOR PHP

unable to connect with starttls: stream_socket_enable_crypto(): ssl operation failed with code 1. openssl error messages: error:1416f086:ssl routines:tls_process_server_certificate:certificate verify failed

'stream' => [
   'ssl' => [
      'allow_self_signed' => true,
      'verify_peer' => false,
      'verify_peer_name' => false,
   ],
],