shadowalvan

Mailcow DLP & Mail Server Configuration Guide
Environment: Mailcow Dockerized on Azure VM (Student Subscription) OS: Ubuntu 24 | Rspamd version: 3.14.3 | Date: May 2026


Table of Contents
Architecture Overview
DLP Configuration via Rspamd
Fixing the actions.conf Nested Block Error
Overcoming MAILCOW_AUTH Score Override
Outbound Mail Relay via Brevo