Noticeable trend on my mailserver: Spam that comes via IPv6 is 90% from Google servers and the rest is Amazon or Microsoft servers. So far no other senders of IPv6 spam. 95% of spam attempts are still IPv4 from various Chinese, US, pacific country sources. The most annoying spam sender stays hostgnome from UK. (All of these attempts are blocked by my mail server, so never make it past the initial HELO part).
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