Update Servers/Email/Mailcow.md

Servers/Email/Mailcow.md

@@ -9,10 +9,29 @@ Go ahead and set up docker and docker-compose with the following commands:
 ```bash
 sudo su # (1)
 curl -sSL https://get.docker.com/ | CHANNEL=stable sh # (2)
-apt install docker-compose-plugin # (2)
-systemctl enable --now docker # (3)
+apt install docker-compose-plugin # (3)
+systemctl enable --now docker # (4)
 ```
 
 1.  Make yourself root.
-2.  Install `Docker` and `Docker-Compose`
-3.  Make docker run automatically when the server is booted.
+2.  Install `Docker`
+3.  Install `Docker-Compose`
+4.  Make docker run automatically when the server is booted.
+
+### Download and Deploy Mailcow
+```bash
+cd /opt
+git clone https://github.com/mailcow/mailcow-dockerized
+cd mailcow-dockerized
+./generate_config.sh # (1)
+docker compose pull # (2)
+docker compose up -d
+```
+
+1.  Generate a configuration file. Use a FQDN (`host.domain.tld`) as hostname when asked. 
+2.  If you get an error about the ports of the `nginx-mailcow` service in the `docker-compose.yml` stack, change the ports for that service as follows:
+    ```yaml
+    ports:
+      - "${HTTPS_BIND:-0.0.0.0}:${HTTPS_PORT:-443}:${HTTPS_PORT:-443}"
+      - "${HTTP_BIND:-0.0.0.0}:${HTTP_PORT:-80}:${HTTP_PORT:-80}"
+    ```