Barracuda Spam Firewall 3.1.10 and earlier does not restrict the domains that white-listed domains can send mail to, which allows members of white-listed domains to use Barracuda as an open mail relay for spam.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Barracuda_spam_firewall | Barracuda_networks | 3.1.10 (including) | 3.1.10 (including) |