Roaring Penguin offers a DNS-based IPv6 Reputation List to qualified institutions running IPv6 based mail servers. As IPv6 adoption increases, inevitably spammers will begin transmitting spam via IPv6. Roaring Penguin’s anti-spam products have been IPv6-ready since August 2009 and have been collecting IPv6 reputation data for many months. Roaring Penguin’s President David Skoll remarked, “We are seeing IPv6 spam and signs of IPv6 botnets in the wild; any organization wishing to deploy IPv6 needs an IPv6-ready email security system.”

Roaring Penguin Software’s CanIt line of anti-spam solutions includes support for IPv6. It can accept and deliver mail via SMTP over IPv6 and perform rule lookups against IPv6 addresses and networks. In addition, all CanIt components can use IPv6 for intra-cluster communication.

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