This script is Copyright (C) 2007-2016 Tenable Network Security, Inc.
The remote mail server is affected by an unspecified vulnerability.
The remote host is running Kerio MailServer, a commercial mail server
available for Windows, Linux, and Mac OS X platforms.
According to its banner, the installed version of Kerio MailServer
contains an unspecified vulnerability involving the attachment filter.
See also :
Upgrade to Kerio MailServer 6.4.1 or later.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : false