Dependencies of reliable Pinholing-by-SMTP are but not limited to: - reliable SMTP hopping - a working SMTP account - pinholer is up and running and robust a

Dependencies of reliable Pinholing-by-SMTP are but not limited to: - reliable SMTP hopping - a working SMTP account - pinholer is up and running and robust against DoS/DDoS. - replayability of PGP (use TOTP in original message as well as wrapper of encrypted SMTP payload)