[ih] The Postel Principle
John Levine via Internet-history
internet-history at elists.isoc.org
Sun Nov 10 09:46:42 PST 2019
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.
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