type.inbound
and length(recipients.to) <= 1
and all(recipients.to, .email.domain.valid == false)
and length(headers.reply_to) == 1
and headers.reply_to[0].email.domain.root_domain != sender.email.domain.root_domain
and profile.by_sender_email().prevalence == "new"
Playground
Test against your own EMLs or sample data.