x011/smtp-tunnel-proxy

A high-speed covert tunnel that disguises TCP traffic as SMTP email communication to bypass Deep Packet Inspection (DPI) firewalls.

140 best points · 52 comments · 1 Hacker News post · 1,799 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: SMTP Tunnel – A SOCKS5 proxy disguised as email traffic to bypass DPI (140 points, 52 comments, by lobito25, 2026-01-07)