On Thu Mar 5 13:00:55 2009, Tim Chown wrote:
Just an observation, I don't know whether its been changed or
applied
recently, but we had some mails to various IETF lists soft rejected
overnight due to failure of the receiving MX to perform a successful
reverse DNS lookup on the IPv6 sender address.
That's been the case for ages, and is why I now firewall outgoing
IPv6 connections to the IETF's mailserver. (I could go off and pay
for IPv6 reverse DNS hosting, but I'm not *that* keen on IPv6).
Dave.
--
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