Barracuda · Barracuda Spam Firewall · CVE-2005-0431
**Name of the Vulnerable Software and Affected Versions**
Barracuda Spam Firewall versions 3.1.10 and earlier
**Description**
The issue allows members of white-listed domains to use the Barracuda Spam Firewall as an open mail relay for spam, because it does not restrict the domains that white-listed domains can send mail to.
**Recommendations**
For versions 3.1.10 and earlier, restrict the domains that white-listed domains can send mail to, to prevent the Barracuda Spam Firewall from being used as an open mail relay for spam.