Honorific greeting BEC attempt with sender and reply-to mismatch

type.inbound
// mismatched sender (From) and Reply-to + freemail
and (
  length(headers.reply_to) > 0
  and all(headers.reply_to,
          .email.domain.root_domain != sender.email.domain.root_domain
          and .email.domain.root_domain in $free_email_providers
  )
)

// use of honorific
and regex.icontains(body.current_thread.text,
                    '(?:Mr
| Mrs
| Ms
| Miss
| Dr
| Prof
| Sir
| Lady
| Rev)\.?[ \t]+'
)

// BEC-themed language
and (
  any(ml.nlu_classifier(body.current_thread.text).intents,
      .name in ("bec", "advance_fee")
  )
  and any(ml.nlu_classifier(body.current_thread.text).entities,
          .name == "request"
  )
)

// negate highly trusted sender domains unless they fail DMARC authentication
and (
  (
    sender.email.domain.root_domain in $high_trust_sender_root_domains
    and not headers.auth_summary.dmarc.pass
  )
  or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)
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