On 11/25/21 12:18 PM, Jay Hennigan via mailop wrote:
It's not a Spamhaus problem. Linode is beyond stupid. Linode has over
four billion /64s. The rest of the Internet treats a /64 as a single
user or subnet. Linode should be allocating each customer subnet a /64
as a minimum.
If you're a Linode customer, demand a /64. Point them here:
https://datatracker.ietf.org/doc/html/rfc7421
There's some questionable info on this thread. Linode uses SLAAC to
assign a single IPv6 to each linode, but gives out /64 blocks on request
https://www.linode.com/docs/guides/linux-static-ip-configuration/
They recommended to me to use a /64 address and not the SLAAC address
for my servers, including the mail server. No charge.
You don't have to demand, just submit a support ticket as the docs say.
I ran into this problem a couple of years ago, switching to the /64
block resolved it. It wasn't a huge deal.
John
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