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Shantanu Sen Gupta

Writing

Updates | Blog

Notes, experiments, and things worth thinking through.

Security Update: PHP Patching and Server Hardening at Hereco

October 22, 2026

Shantanu, Sumit Sahu, and sahilwas34

Apple Pay Is Finally Live in India.

September 30, 2026

How Hereco Uses Nginx as a Web Server and Reverse Proxy

September 26, 2026

Hereco | Behind Our Email Infrastructure: Amazon SES and Open-Source Mail Software

September 15, 2026

Hereco | AWS: The Infrastructure Behind Our Services

September 12, 2026

We’ve Found Our Permanent Home: hereco.in

September 11, 2026