Am 12.04.2013 16:52, schrieb /dev/rob0: > I believe that DNS-based whitelisting will grow in importance, > especially in the IPv6 world. I expect to move into IPv6 with a > default-deny policy, where non-whitelisted hosts are rejected
how do you imagine this working? in this case it would be better you stay at ipv4 at all instead answer AAA dns-requests which may be preferred from dual-stack machines try to deliver to your customer it does not work that anybody who wants to send you e-mail he must prove that he is no spammer, really this does not work
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