[ih] The Postel Principle

[John Levine via Internet-history]

In article <871rugec4y.fsf at taht.net> you write:
>I finally disabled IPv6 on my email exchangers today. For no reason
>I can figure, every use of it put me in spamhaus's SBL blacklist,
>for most of the past year, if not longer.

Turns out the problem is that his cloud provider, Linode, puts all of
their VPS in a single /64 which is of course full of random spammers
which get the /64 on the SBL.  I think this provisioning strategy
fails the "be conservative" test.

One can ask for one's own /64 which I believe he has done.

R's,
John
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