Russia return-path TLD (untrusted sender)

type.inbound
and headers.return_path.domain.tld == "ru"
and sender.email.domain.domain != "corp.mail.ru"
and sender.email.domain.domain != "calendar.yandex.ru"
and (
  (
    profile.by_sender().prevalence in ("new", "outlier")
    and not profile.by_sender().solicited
  )
  or (
    profile.by_sender().any_messages_malicious_or_spam
    and not profile.by_sender().any_messages_benign
  )
)
and not profile.by_sender().any_messages_benign