email security - ITNotes

Self-Hosting Email with Mailcow: A 6-Month Production Reality Check

April 6, 2026

Is self-hosting email actually viable? After 6 months of production use, here is a guide to setting up Mailcow, mastering DNS deliverability, and keeping your server off blacklists.

Security

Mastering DMARC, SPF, and DKIM: Your Essential Email Security Configuration Guide

March 24, 2026

This comprehensive guide explores DMARC, SPF, and DKIM configuration, crucial for modern email security. Learn how to protect your domain from spoofing and phishing, dramatically improving deliverability and reputation through practical setup and advanced tips.