bluejay-infra/apps/mail/mail.yaml

# docker-mailserver - Postfix + Dovecot + rspamd
# ArgoCD managed - BlueJay Lab
---
apiVersion: v1
kind: Namespace
metadata:
  name: mail
  labels:
    app.kubernetes.io/part-of: bluejay-infra
---
# Mail data PVC
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mail-data
  namespace: mail
spec:
  accessModes: [ReadWriteOnce]
  resources:
    requests:
      storage: 5Gi
---
# Mail state PVC
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mail-state
  namespace: mail
spec:
  accessModes: [ReadWriteOnce]
  resources:
    requests:
      storage: 1Gi
---
# docker-mailserver Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mailserver
  namespace: mail
  labels:
    app: mailserver
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: mailserver
  template:
    metadata:
      labels:
        app: mailserver
    spec:
      hostname: mail
      containers:
        - name: mailserver
          image: docker.io/mailserver/docker-mailserver:latest
          ports:
            - containerPort: 25
              name: smtp
            - containerPort: 465
              name: smtps
            - containerPort: 587
              name: submission
            - containerPort: 143
              name: imap
            - containerPort: 993
              name: imaps
          env:
            - name: ENABLE_SPAMASSASSIN
              value: "1"
            - name: ENABLE_CLAMAV
              value: "0"
            - name: ENABLE_RSPAMD
              value: "1"
            - name: TZ
              value: America/Chicago
            - name: POSTMASTER_ADDRESS
              value: postmaster@iamwork.in
            - name: OVERRIDE_HOSTNAME
              value: mail.iamwork.in
            - name: ENABLE_FAIL2BAN
              value: "0"
            - name: ENABLE_POSTGREY
              value: "0"
            - name: ONE_DIR
              value: "1"
            - name: PERMIT_DOCKER
              value: network
            - name: SSL_TYPE
              value: manual
            - name: SSL_CERT_PATH
              value: /etc/ssl/mail/tls.crt
            - name: SSL_KEY_PATH
              value: /etc/ssl/mail/tls.key
          volumeMounts:
            - name: mail-data
              mountPath: /var/mail
            - name: mail-state
              mountPath: /var/mail-state
            - name: mail-tls
              mountPath: /etc/ssl/mail
              readOnly: true
          resources:
            requests:
              memory: 512Mi
              cpu: 200m
            limits:
              memory: 2Gi
              cpu: "1"
          securityContext:
            capabilities:
              add:
                - NET_ADMIN
                - SYS_PTRACE
      volumes:
        - name: mail-data
          persistentVolumeClaim:
            claimName: mail-data
        - name: mail-state
          persistentVolumeClaim:
            claimName: mail-state
        - name: mail-tls
          secret:
            secretName: mail-tls
---
# SMTP LoadBalancer Service (external)
apiVersion: v1
kind: Service
metadata:
  name: mail-smtp
  namespace: mail
  annotations:
    metallb.universe.tf/loadBalancerIPs: 10.0.56.202
spec:
  type: LoadBalancer
  selector:
    app: mailserver
  ports:
    - port: 25
      targetPort: 25
      name: smtp
      protocol: TCP
    - port: 465
      targetPort: 465
      name: smtps
      protocol: TCP
    - port: 587
      targetPort: 587
      name: submission
      protocol: TCP
---
# IMAP ClusterIP Service (internal)
apiVersion: v1
kind: Service
metadata:
  name: mail-imap
  namespace: mail
spec:
  selector:
    app: mailserver
  ports:
    - port: 143
      targetPort: 143
      name: imap
    - port: 993
      targetPort: 993
      name: imaps
---
# TLS Certificate via cert-manager
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: mail-tls
  namespace: mail
spec:
  secretName: mail-tls
  issuerRef:
    name: step-ca-acme
    kind: ClusterIssuer
  dnsNames:
    - mail.iamworkin.lan
---
# Traefik IngressRoute - Webmail placeholder
# Snappymail will need a separate deployment; this routes to the
# mail server's HTTP port if available, or to a future webmail deployment
apiVersion: traefik.io/v1alpha1
kind: IngressRoute
metadata:
  name: mail-webmail
  namespace: mail
spec:
  entryPoints:
    - websecure
  routes:
    - match: Host(`mail.iamworkin.lan`)
      kind: Rule
      services:
        - name: mail-imap
          port: 993
  tls:
    secretName: mail-tls