This script is Copyright (C) 2005-2017 Tenable Network Security, Inc.
The remote SMTP server is affected by a denial of service
The version of GoodTech SMTP Server running on the remote host is
prone to a denial of service attacks that can be triggered by sending
a 'RCPT TO' command with the sole argument 'A'.
See also :
Upgrade to GoodTech SMTP Server 5.15 or newer.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true