unkinben
b09cd1628d
- mailgateway namespace with Deployment + HPA (2-6 replicas) - rspamd Deployment + HPA (2-6 replicas) with milter interface - postfix configured to relay inbound mail to stalwart via transport maps - rspamd milter on port 11332 for spam scanning and DKIM signing - DKIM keys stored in Vault at kubernetes/namespace/mailgateway/default/dkim-keys - TLS cert via cert-manager (vault-issuer) for mail.main.unkin.net - rspamd web UI exposed via Traefik Gateway at rspamd.k8s.syd1.au.unkin.net - postfix external LoadBalancer service for inbound MX on port 25 - Add full main.cf and master.cf as ConfigMap resources mounted via subPath - main.cf: relay-only gateway config, texthash: transport maps, rspamd milter - master.cf: standard smtp + submission (587, TLS required) + internal processes - MAILNAME/MY_NETWORKS/MY_DESTINATION env vars kept in sync with main.cf - LOG_TO_STDOUT=1 for k8s log collection
86 lines
2.4 KiB
YAML
86 lines
2.4 KiB
YAML
---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: postfix
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namespace: mailgateway
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spec:
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selector:
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matchLabels:
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app: postfix
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template:
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metadata:
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annotations:
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reloader.stakater.com/auto: "true"
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labels:
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app: postfix
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spec:
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containers:
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- name: postfix
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image: tozd/postfix:alpine-322
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ports:
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- containerPort: 25
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name: smtp
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protocol: TCP
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- containerPort: 587
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name: submission
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protocol: TCP
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env:
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# Keep these in sync with main.cf so the tozd startup postconf calls are no-ops
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- name: MAILNAME
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value: "mail.main.unkin.net"
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- name: MY_NETWORKS
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value: "127.0.0.0/8 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16"
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- name: MY_DESTINATION
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value: "localhost.localdomain, localhost"
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- name: LOG_TO_STDOUT
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value: "1"
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livenessProbe:
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tcpSocket:
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port: 25
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initialDelaySeconds: 30
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periodSeconds: 30
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timeoutSeconds: 5
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failureThreshold: 3
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readinessProbe:
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tcpSocket:
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port: 25
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initialDelaySeconds: 15
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periodSeconds: 10
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timeoutSeconds: 3
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failureThreshold: 3
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: "1"
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memory: 512Mi
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volumeMounts:
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# Mount main.cf and master.cf from ConfigMap using subPath
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- name: postfix-config
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mountPath: /etc/postfix/main.cf
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subPath: main.cf
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- name: postfix-config
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mountPath: /etc/postfix/master.cf
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subPath: master.cf
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- name: postfix-config
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mountPath: /etc/postfix/transport
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subPath: transport
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# TLS cert from cert-manager Certificate resource
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- name: postfix-tls
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mountPath: /etc/postfix/tls
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readOnly: true
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# Persistent mail queue
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- name: spool
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mountPath: /var/spool/postfix
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volumes:
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- name: postfix-config
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configMap:
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name: postfix-config
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- name: postfix-tls
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secret:
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secretName: postfix-smtp-tls
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- name: spool
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emptyDir: {}
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