This script is Copyright (C) 2003-2016 Tenable Network Security, Inc.
The remote SMTP server has a denial of service vulnerability.
The remote host is running MAILsweeper - a content security solution
According to its banner, the remote version of MAILsweeper consumes
all available CPU resources when processing a malformed PowerPoint
file, causing the server to become non-responsive. A remote attacker
could exploit this to cause a denial of service.
See also :
Upgrade to MAILsweeper 4.3.15 or later.
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.6
Public Exploit Available : true