Comment on Ask HN: What do you do about nonstop email spam from overseas?Comments−toomuchtodo2moCan you block the originating IP blocks and/or ASNs of the offending mail/MX servers? It sounds like any regulatory intervention is going to be ineffective, so go straight to blackhole routing the inbound connections.
Comments
Can you block the originating IP blocks and/or ASNs of the offending mail/MX servers? It sounds like any regulatory intervention is going to be ineffective, so go straight to blackhole routing the inbound connections.