Am 18.04.2025 um 14:51:41 Uhr schrieb Simon Brandt via ripe-atlas:

> The reason is, that the incredible huge IPv6 address space allows
> spammers to use a new IPv6 address for send each spam email. This
> makes usage of reputation IP block lists impossible.

That works by listing an entire /64, IIRC this is what Spamhaus does.

PS: Except for MS and Google, I have never received a spam mail via
IPv6 on my own server, all IPv4 and most blocked by dnsbl.

-- 
Gruß
Marco

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