@lanodan @strypey

> AAAA records? Makes no sense, most providers sending email don't do IPv6 either.

It's almost like that's the idea.

> Yeah, rspamd put the AS number in the header so I once just grepped a bunch and turns out something like Google or Mailgrid *alone* sends more spam than random hosts.

Shit, I forgot about the Beehiiv and Substack bullshit because I kill that stuff at the source.