Skip to content
RU

Articles & Guides

Useful resources for web developers and system administrators

Found 30 · Infrastructure · Reset

Infrastructure
Transactional Email Deliverability
How to make transactional email land: a dedicated subdomain, SPF/DKIM/DMARC, stream separation, and MX/SMTP monitoring — practical, battle-tested rules.
23.06.2026 · 3 min · 178 views
Infrastructure
Why Emails Bounce: Codes and Causes
Why emails bounce: SMTP 5xx and 4xx codes explained, the real causes — bad address, reputation block, SPF/DKIM/DMARC failure — and how to fix each one.
23.06.2026 · 3 min · 235 views
Infrastructure
Email Bounce Handling: Hard vs Soft
How to handle email bounces: the hard vs soft difference, SMTP 4xx and 5xx codes, suppression-list rules and automation to protect your sender reputation.
23.06.2026 · 3 min · 178 views
Infrastructure
Multi-CDN: Failover, Cost Control and Traffic Splitting
A comprehensive guide to implementing multi-CDN architecture for improved reliability, lower latency, cost optimization, and intelligent traffic splitting across CDN providers.
16.03.2026 · 4 min · 427 views
Infrastructure
API Versioning: URL, Header and Query Parameter Approaches
Compare API versioning methods including URL path, custom headers, and query parameters. Learn best practices for backward compatibility and deprecation workflows.
16.03.2026 · 5 min · 550 views
Infrastructure
Database Connection Pooling: How It Works and Best Practices
Understand database connection pooling, why it matters for performance, and how to configure pools for MySQL, PostgreSQL, and web applications.
16.03.2026 · 6 min · 702 views
Infrastructure
Nginx Performance Tuning: Key Configuration Tips
Optimize Nginx for maximum performance — worker processes, connection handling, gzip, caching, buffer tuning, and SSL optimization techniques.
16.03.2026 · 6 min · 413 views
Infrastructure
Load Balancing Algorithms: Round Robin, Least Connections
Explore load balancing algorithms including round robin, least connections, weighted, IP hash, and more. Learn when to use each for optimal performance.
16.03.2026 · 5 min · 1091 views
Infrastructure
Reverse Proxy: How It Works and Why You Need One
Understand reverse proxies — how they work, their benefits for security, performance, and scalability, and how to configure Nginx as a reverse proxy.
16.03.2026 · 6 min · 310 views
Infrastructure
API Rate Limiting: Why and How to Implement
Complete guide to API Rate Limiting: algorithms, implementation, headers, best practices. Protecting your API from abuse.
14.03.2026 · 3 min · 258 views