MTA-STS Policy Endpoint

This subdomain is used exclusively to host the Mail Transfer Agent Strict Transport Security (MTA-STS) policy.

Security Information

Maintained by: Biswadeb Mukherjee
Role: Offensive Security Specialist, Malware Engineer
Purpose: Secure email transport enforcement (RFC 8461)

No user-facing services are hosted here. No data collection, tracking, or client-side logic is performed.

PGP Public Key

Use the following OpenPGP key for encrypted security-related communication.

-----BEGIN PGP PUBLIC KEY BLOCK-----
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=ovFF
-----END PGP PUBLIC KEY BLOCK-----