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Xsmtp-tunnel-proxy
A high-speed covert tunnel that disguises TCP traffic as SMTP email communication to bypass Deep Packet Inspection (DPI) firewalls.
Popularity
Repository stars15,192Highest1,799
7-day net stars——
Fork2,362Highest161
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-10-232026-01-07
Maintenance notesNot verifiedNot verified
Repository created2017-03-182026-01-06
License & use
LicenseGPL-3.0 · Share derivative sourceGPL-3.0 · Share derivative source
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeCross-platform apps · Encryption · Network securityEncryption · Network security
TypeApps & systemsApps & systems
SubcategoryOperationsSecurity tools
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageGoPython
About this projectA cross-platform programmable network toolA high-speed covert tunnel that disguises TCP traffic as SMTP email communication to bypass Deep Packet Inspection (DPI) firewalls.
Measured at2026-11-02 19:02 UTC2026-11-02 19:02 UTC
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.