This script is Copyright (C) 2004-2011 Tenable Network Security, Inc.
The remote SMTP server has a security bypass vulnerability.
The remote host is running MAILsweeper - a content security solution
According to its banner, the remote version of MAILsweeper may allow
an attacker to bypass the archive filtering settings of the remote
server by sending an archive in the format 7ZIP, ACE, ARC, BH, BZIP2,
HAP, IMG, PAK, RAR or ZOO.
See also :
Upgrade to MAILsweeper 4.3.15 or later.
Risk factor :
High / CVSS Base Score : 7.5
CVSS Temporal Score : 7.5
Public Exploit Available : true