docker run -d --name mailcow-postfix \
  -p 25:25 -p 587:587 \
  -e MAILCOW_HOSTNAME=mail.example.com \
  docker.io/mailcow/postfix:latest

docker run -d --name mailcow-postfix \
  --restart unless-stopped \
  -p 25:25 -p 587:587 \
  -e MAILCOW_HOSTNAME=mail.example.com \
  -e DBHOST=mysql \
  -e DBNAME=mailcow \
  -v /data/mailcow/spool:/var/spool/postfix \
  docker.io/mailcow/postfix:2024-11

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mailcow-postfix
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mailcow-postfix
  template:
    metadata:
      labels:
        app: mailcow-postfix
    spec:
      containers:
        - name: postfix
          image: docker.io/mailcow/postfix:2024-11
          ports:
            - containerPort: 25
            - containerPort: 587
          envFrom:
            - secretRef:
                name: mailcow-secrets
          volumeMounts:
            - name: spool
              mountPath: /var/spool/postfix
      volumes:
        - name: spool
          persistentVolumeClaim:
            claimName: postfix-spool
---
apiVersion: v1
kind: Service
metadata:
  name: mailcow-postfix
spec:
  selector:
    app: mailcow-postfix
  ports:
    - port: 25
      targetPort: 25
    - port: 587
      targetPort: 587