This script is Copyright (C) 2013-2017 Tenable Network Security, Inc.
The remote mail server is affected by a denial of service
The remote OpenSMTPD mail server has a flaw that could result in
further connections to it being blocked when a client holds open a TLS
See also :
Either apply the patch or upgrade to OpenSMTPD 5.3.2 or later.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.1
Public Exploit Available : true