A deep dive into building a production-ready email server in Go with 87 commits across 22 days. Complete architecture, performance metrics, deployment strategies, and unique features like IMAP IDLE, DKIM, and CalDAV support.
Learn from real production debugging experiences. This article covers three critical bug categories: SQL schema mismatches causing user creation failures, admin panel SQL errors from schema drift, and template isolation issues causing content injection. Includes debugging techniques, testing strategies, and production lessons learned.
Learn how to build a robust email delivery engine with circuit breakers, exponential backoff, MX resolution, and comprehensive monitoring. Based on a real production email server implementation.
Deep dive into defensive security measures implemented in a production email server. Learn about CSRF token handling, CSP hardening, rate limiting strategies, CORS blocking, and comprehensive security headers for maximum protection.
January 12, 2026
January 12, 2026
January 12, 2026
January 12, 2026
January 12, 2026
