Host & VM Integration – Page 2

NGINX Hardening: Achieving A+ Security & Performance

Improving your web security and performance starts with a solid foundation. I regularly use external online generators and verification tools to ensure my NGINX configuration meets the highest standards. This guide details my steps to achieve an A+ security rating and optimal performance settings.

Advanced Mail Filtering: A Deep Dive into Amavisd-new and Amavisd-milter Policy Banks

Amavis isn’t new; in fact, AMaViS started as a shell program back in 1997. It has since evolved into a powerful, flexible tool for content filtering. This article will be a hands-on guide to setting up Amavisd-new with a milter and multiple policy banks. I’ll explain the critical difference between after- and before-queue filtering in Postfix, demonstrate how to use both, and show you how to split your mail traffic for a robust, multi-layered defense.

Email Signing and Verification with Amavisd-new and DKIM

I recently had a moment of “why did I do that?” when I temporarily disabled DKIM signing on my mail server. A quick email to a mailing list triggered a flood of DMARC authentication failure reports. It was a clear reminder that a surprising number of administrators have DMARC and DKIM reporting enabled.