docker run -d --name msmtpd \
  -p 2500:2500 \
  docker.io/crazymax/msmtpd:latest

docker run -d --name msmtpd \
  --restart unless-stopped \
  -p 2500:2500 \
  -v /etc/msmtprc:/etc/msmtprc:ro \
  docker.io/crazymax/msmtpd:1.8.0

apiVersion: apps/v1
kind: Deployment
metadata:
  name: msmtpd
spec:
  replicas: 1
  selector:
    matchLabels:
      app: msmtpd
  template:
    metadata:
      labels:
        app: msmtpd
    spec:
      containers:
        - name: msmtpd
          image: docker.io/crazymax/msmtpd:1.8.0
          ports:
            - containerPort: 2500
          volumeMounts:
            - name: config
              mountPath: /etc/msmtprc
              subPath: msmtprc
      volumes:
        - name: config
          secret:
            secretName: msmtp-config
---
apiVersion: v1
kind: Service
metadata:
  name: msmtpd
spec:
  selector:
    app: msmtpd
  ports:
    - port: 2500
      targetPort: 2500