This script is Copyright (C) 2005-2016 Tenable Network Security, Inc.
The remote mail server is affected by multiple vulnerabilities.
According to its banner, the remote host is running as its mail server
S-mail version 184.108.40.206 or older. Such versions contain various
vulnerabilities that may allow an unauthenticated attacker execute
arbitrary code on the remote host by exploiting a heap overflow by
sending a malformed argument to the 'MAIL FROM' command.
See also :
Upgrade to Smail 220.127.116.11 or later.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.2
Public Exploit Available : true