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benvin/postfix
| Author | SHA1 | Date | |
|---|---|---|---|
 unkinben
|
5b3058e75e | ||
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unkinben
|
ebc21b9fa1 | ||
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unkinben
|
d57c1db5f8 | ||
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unkinben
|
942e23c146 | ||
|
unkinben
|
b09cd1628d |
@@ -0,0 +1,18 @@
|
||||
---
|
||||
apiVersion: cert-manager.io/v1
|
||||
kind: Certificate
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||||
metadata:
|
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name: postfix-smtp-tls
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namespace: mailgateway
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spec:
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secretName: postfix-smtp-tls
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issuerRef:
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name: vault-issuer
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kind: ClusterIssuer
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commonName: mail.main.unkin.net
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dnsNames:
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- mail.main.unkin.net
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- smtp-in.main.unkin.net
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privateKey:
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size: 4096
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algorithm: RSA
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@@ -0,0 +1,37 @@
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---
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apiVersion: gateway.networking.k8s.io/v1
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kind: Gateway
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metadata:
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labels:
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traefik.io/instance: internal
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annotations:
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cert-manager.io/cluster-issuer: vault-issuer
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cert-manager.io/common-name: rspamd.k8s.syd1.au.unkin.net
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cert-manager.io/private-key-size: "4096"
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external-dns.alpha.kubernetes.io/hostname: rspamd.k8s.syd1.au.unkin.net
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external-dns.alpha.kubernetes.io/target: 198.18.200.4
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name: rspamd
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namespace: mailgateway
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spec:
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gatewayClassName: traefik-internal
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listeners:
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- allowedRoutes:
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namespaces:
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from: Same
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hostname: rspamd.k8s.syd1.au.unkin.net
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name: http
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port: 80
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protocol: HTTP
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- allowedRoutes:
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namespaces:
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from: Same
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hostname: rspamd.k8s.syd1.au.unkin.net
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name: https
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port: 443
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protocol: HTTPS
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tls:
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certificateRefs:
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- group: ""
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kind: Secret
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name: rspamd-tls
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mode: Terminate
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@@ -0,0 +1,16 @@
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---
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apiVersion: gateway.networking.k8s.io/v1
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kind: HTTPRoute
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metadata:
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name: rspamd
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namespace: mailgateway
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spec:
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parentRefs:
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- name: rspamd
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namespace: mailgateway
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hostnames:
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- rspamd.k8s.syd1.au.unkin.net
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rules:
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- backendRefs:
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- name: rspamd
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port: 11334
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@@ -0,0 +1,36 @@
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---
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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|
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resources:
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- certificate.yaml
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- gateway.yaml
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- httproute.yaml
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- namespace.yaml
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- postfix-deployment.yaml
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- postfix-hpa.yaml
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- rspamd-deployment.yaml
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- rspamd-hpa.yaml
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- services.yaml
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- vaultauth.yaml
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- vaultstaticsecret.yaml
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|
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configMapGenerator:
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- name: postfix-config
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files:
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- main.cf=resources/postfix/main.cf
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- master.cf=resources/postfix/master.cf
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options:
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disableNameSuffixHash: true
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- name: postfix-maps
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files:
|
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- transport=resources/postfix/transport
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options:
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disableNameSuffixHash: true
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- name: rspamd-config
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files:
|
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- worker-proxy.inc=resources/rspamd/local.d/worker-proxy.inc
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- dkim_signing.conf=resources/rspamd/local.d/dkim_signing.conf
|
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- milter_headers.conf=resources/rspamd/local.d/milter_headers.conf
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options:
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disableNameSuffixHash: true
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@@ -0,0 +1,5 @@
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: mailgateway
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@@ -0,0 +1,105 @@
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---
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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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initContainers:
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- name: postmap
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image: tozd/postfix:alpine-322
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command: ["/bin/sh", "-c"]
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args:
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- |
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for f in /etc/postfix/maps/*; do
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base=$(basename "$f")
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cp "$f" /tmp/"$base"
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postmap hash:/tmp/"$base"
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cp /tmp/"${base}.db" /etc/postfix/db/
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done
|
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volumeMounts:
|
||||
- name: postfix-maps
|
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mountPath: /etc/postfix/maps
|
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readOnly: true
|
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- name: postfix-db
|
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mountPath: /etc/postfix/db
|
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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:
|
||||
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:
|
||||
- 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-db
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mountPath: /etc/postfix/transport.db
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subPath: transport.db
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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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- name: spool
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mountPath: /var/spool/postfix
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volumes:
|
||||
- name: postfix-config
|
||||
configMap:
|
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name: postfix-config
|
||||
- name: postfix-maps
|
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configMap:
|
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name: postfix-maps
|
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- name: postfix-db
|
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emptyDir: {}
|
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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
|
||||
emptyDir: {}
|
||||
@@ -0,0 +1,38 @@
|
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---
|
||||
apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
|
||||
metadata:
|
||||
name: postfix-hpa
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
scaleTargetRef:
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
name: postfix
|
||||
minReplicas: 2
|
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maxReplicas: 6
|
||||
metrics:
|
||||
- type: Resource
|
||||
resource:
|
||||
name: cpu
|
||||
target:
|
||||
type: Utilization
|
||||
averageUtilization: 70
|
||||
behavior:
|
||||
scaleUp:
|
||||
stabilizationWindowSeconds: 0
|
||||
selectPolicy: Max
|
||||
policies:
|
||||
- type: Percent
|
||||
value: 100
|
||||
periodSeconds: 60
|
||||
- type: Pods
|
||||
value: 4
|
||||
periodSeconds: 30
|
||||
scaleDown:
|
||||
stabilizationWindowSeconds: 300
|
||||
selectPolicy: Min
|
||||
policies:
|
||||
- type: Percent
|
||||
value: 30
|
||||
periodSeconds: 60
|
||||
@@ -0,0 +1,46 @@
|
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# Basic identity — kept in sync with MAILNAME/MY_NETWORKS/MY_DESTINATION env vars
|
||||
# so the tozd startup script's postconf calls are no-ops
|
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myhostname = mail.main.unkin.net
|
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myorigin = main.unkin.net
|
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mydestination = localhost.localdomain, localhost
|
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mynetworks = 127.0.0.0/8 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16
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inet_protocols = ipv4
|
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inet_interfaces = all
|
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|
||||
# No local delivery — we're a relay-only gateway
|
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local_transport = error:no local delivery
|
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alias_maps =
|
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alias_database =
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|
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# Relay inbound mail for these domains to Stalwart
|
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relay_domains = main.unkin.net unkin.net
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transport_maps = hash:/etc/postfix/transport
|
||||
|
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# rspamd milter (same namespace — short DNS name resolves)
|
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smtpd_milters = inet:rspamd:11332
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non_smtpd_milters = inet:rspamd:11332
|
||||
milter_default_action = accept
|
||||
milter_protocol = 6
|
||||
milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
|
||||
|
||||
# Inbound TLS (cert from cert-manager Certificate resource)
|
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smtpd_use_tls = yes
|
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smtpd_tls_security_level = may
|
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smtpd_tls_cert_file = /etc/postfix/tls/tls.crt
|
||||
smtpd_tls_key_file = /etc/postfix/tls/tls.key
|
||||
smtpd_tls_loglevel = 1
|
||||
|
||||
# Outbound TLS (opportunistic)
|
||||
smtp_tls_security_level = may
|
||||
smtp_tls_loglevel = 1
|
||||
|
||||
# Message size limit (50 MiB)
|
||||
message_size_limit = 52428800
|
||||
mailbox_size_limit = 0
|
||||
|
||||
# Queue retention
|
||||
maximal_queue_lifetime = 5d
|
||||
bounce_queue_lifetime = 1d
|
||||
|
||||
# Log to stdout for k8s log collection
|
||||
maillog_file = /dev/stdout
|
||||
@@ -0,0 +1,42 @@
|
||||
# ==========================================================================
|
||||
# service type private unpriv chroot wakeup maxproc command + args
|
||||
# (yes) (yes) (yes) (never) (100)
|
||||
# ==========================================================================
|
||||
|
||||
# SMTP inbound (port 25) — runs rspamd milter, relays to Stalwart via transport_maps
|
||||
smtp inet n - n - - smtpd
|
||||
|
||||
# Submission (port 587) — TLS required, relay from trusted mynetworks only
|
||||
submission inet n - n - - smtpd
|
||||
-o syslog_name=postfix/submission
|
||||
-o smtpd_tls_security_level=encrypt
|
||||
-o smtpd_sasl_auth_enable=no
|
||||
-o smtpd_reject_unlisted_recipient=no
|
||||
-o smtpd_relay_restrictions=permit_mynetworks,reject
|
||||
-o milter_macro_daemon_name=ORIGINATING
|
||||
|
||||
# Internal postfix processes
|
||||
pickup unix n - n 60 1 pickup
|
||||
cleanup unix n - n - 0 cleanup
|
||||
qmgr unix n - n 300 1 qmgr
|
||||
tlsmgr unix - - n 1000? 1 tlsmgr
|
||||
rewrite unix - - n - - trivial-rewrite
|
||||
bounce unix - - n - 0 bounce
|
||||
defer unix - - n - 0 bounce
|
||||
trace unix - - n - 0 bounce
|
||||
verify unix - - n - 1 verify
|
||||
flush unix n - n 1000? 0 flush
|
||||
proxymap unix - - n - - proxymap
|
||||
proxywrite unix - - n - 1 proxymap
|
||||
smtp unix - - n - - smtp
|
||||
relay unix - - n - - smtp
|
||||
showq unix n - n - - showq
|
||||
error unix - - n - - error
|
||||
retry unix - - n - - error
|
||||
discard unix - - n - - discard
|
||||
local unix - n n - - local
|
||||
virtual unix - n n - - virtual
|
||||
lmtp unix - - n - - lmtp
|
||||
anvil unix - - n - 1 anvil
|
||||
scache unix - - n - 1 scache
|
||||
postlog unix-dgram n - n - 1 postlogd
|
||||
@@ -0,0 +1,2 @@
|
||||
.unkin.net smtp:[stalwart.stalwart.svc.cluster.local]:25
|
||||
unkin.net smtp:[stalwart.stalwart.svc.cluster.local]:25
|
||||
@@ -0,0 +1,13 @@
|
||||
enabled = true;
|
||||
selector = "mail";
|
||||
|
||||
domain {
|
||||
main.unkin.net {
|
||||
privkey = "/etc/rspamd/dkim/private_key";
|
||||
selector = "mail";
|
||||
}
|
||||
unkin.net {
|
||||
privkey = "/etc/rspamd/dkim/private_key";
|
||||
selector = "mail";
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,2 @@
|
||||
extended_spam_headers = true;
|
||||
use = ["x-spam-status", "x-spam-score", "authentication-results"];
|
||||
@@ -0,0 +1,7 @@
|
||||
milter = yes;
|
||||
bind_socket = "*:11332";
|
||||
|
||||
upstream "local" {
|
||||
default = yes;
|
||||
self_scan = yes;
|
||||
}
|
||||
@@ -0,0 +1,75 @@
|
||||
---
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: rspamd
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
selector:
|
||||
matchLabels:
|
||||
app: rspamd
|
||||
template:
|
||||
metadata:
|
||||
annotations:
|
||||
reloader.stakater.com/auto: "true"
|
||||
labels:
|
||||
app: rspamd
|
||||
spec:
|
||||
securityContext:
|
||||
runAsUser: 11333
|
||||
runAsGroup: 11333
|
||||
fsGroup: 11333
|
||||
containers:
|
||||
- name: rspamd
|
||||
image: rspamd/rspamd:4.0.1
|
||||
ports:
|
||||
- containerPort: 11332
|
||||
name: milter
|
||||
protocol: TCP
|
||||
- containerPort: 11333
|
||||
name: worker
|
||||
protocol: TCP
|
||||
- containerPort: 11334
|
||||
name: controller
|
||||
protocol: TCP
|
||||
livenessProbe:
|
||||
httpGet:
|
||||
path: /ping
|
||||
port: 11334
|
||||
initialDelaySeconds: 15
|
||||
periodSeconds: 30
|
||||
timeoutSeconds: 5
|
||||
failureThreshold: 3
|
||||
readinessProbe:
|
||||
httpGet:
|
||||
path: /ping
|
||||
port: 11334
|
||||
initialDelaySeconds: 10
|
||||
periodSeconds: 10
|
||||
timeoutSeconds: 3
|
||||
failureThreshold: 3
|
||||
resources:
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 256Mi
|
||||
limits:
|
||||
cpu: "1"
|
||||
memory: 512Mi
|
||||
volumeMounts:
|
||||
- name: rspamd-config
|
||||
mountPath: /etc/rspamd/local.d
|
||||
readOnly: true
|
||||
- name: dkim-keys
|
||||
mountPath: /etc/rspamd/dkim
|
||||
readOnly: true
|
||||
- name: rspamd-data
|
||||
mountPath: /var/lib/rspamd
|
||||
volumes:
|
||||
- name: rspamd-config
|
||||
configMap:
|
||||
name: rspamd-config
|
||||
- name: dkim-keys
|
||||
secret:
|
||||
secretName: dkim-keys
|
||||
- name: rspamd-data
|
||||
emptyDir: {}
|
||||
@@ -0,0 +1,38 @@
|
||||
---
|
||||
apiVersion: autoscaling/v2
|
||||
kind: HorizontalPodAutoscaler
|
||||
metadata:
|
||||
name: rspamd-hpa
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
scaleTargetRef:
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
name: rspamd
|
||||
minReplicas: 2
|
||||
maxReplicas: 6
|
||||
metrics:
|
||||
- type: Resource
|
||||
resource:
|
||||
name: cpu
|
||||
target:
|
||||
type: Utilization
|
||||
averageUtilization: 70
|
||||
behavior:
|
||||
scaleUp:
|
||||
stabilizationWindowSeconds: 0
|
||||
selectPolicy: Max
|
||||
policies:
|
||||
- type: Percent
|
||||
value: 100
|
||||
periodSeconds: 30
|
||||
- type: Pods
|
||||
value: 4
|
||||
periodSeconds: 30
|
||||
scaleDown:
|
||||
stabilizationWindowSeconds: 300
|
||||
selectPolicy: Min
|
||||
policies:
|
||||
- type: Percent
|
||||
value: 30
|
||||
periodSeconds: 60
|
||||
@@ -0,0 +1,64 @@
|
||||
---
|
||||
# Internal service for rspamd - used by postfix pods in the same namespace
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: rspamd
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
selector:
|
||||
app: rspamd
|
||||
ports:
|
||||
- name: milter
|
||||
port: 11332
|
||||
targetPort: 11332
|
||||
protocol: TCP
|
||||
- name: worker
|
||||
port: 11333
|
||||
targetPort: 11333
|
||||
protocol: TCP
|
||||
- name: controller
|
||||
port: 11334
|
||||
targetPort: 11334
|
||||
protocol: TCP
|
||||
---
|
||||
# Internal ClusterIP for postfix - used by stalwart for outbound relay
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: postfix
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
selector:
|
||||
app: postfix
|
||||
ports:
|
||||
- name: smtp
|
||||
port: 25
|
||||
targetPort: 25
|
||||
protocol: TCP
|
||||
- name: submission
|
||||
port: 587
|
||||
targetPort: 587
|
||||
protocol: TCP
|
||||
---
|
||||
# External LoadBalancer for inbound MX (internet → postfix)
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
name: postfix-external
|
||||
namespace: mailgateway
|
||||
annotations:
|
||||
external-dns.alpha.kubernetes.io/hostname: smtp-in.main.unkin.net
|
||||
external-dns.alpha.kubernetes.io/target: 198.18.199.1
|
||||
purelb.io/service-group: dmz
|
||||
purelb.io/addresses: 198.18.199.1
|
||||
spec:
|
||||
type: LoadBalancer
|
||||
externalTrafficPolicy: Local
|
||||
selector:
|
||||
app: postfix
|
||||
ports:
|
||||
- name: smtp
|
||||
port: 25
|
||||
targetPort: 25
|
||||
protocol: TCP
|
||||
@@ -0,0 +1,18 @@
|
||||
---
|
||||
apiVersion: secrets.hashicorp.com/v1beta1
|
||||
kind: VaultAuth
|
||||
metadata:
|
||||
name: default
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
allowedNamespaces:
|
||||
- mailgateway
|
||||
kubernetes:
|
||||
audiences:
|
||||
- vault
|
||||
role: default
|
||||
serviceAccount: default
|
||||
tokenExpirationSeconds: 600
|
||||
method: kubernetes
|
||||
mount: k8s/au/syd1
|
||||
vaultConnectionRef: vso-system/default
|
||||
@@ -0,0 +1,17 @@
|
||||
---
|
||||
apiVersion: secrets.hashicorp.com/v1beta1
|
||||
kind: VaultStaticSecret
|
||||
metadata:
|
||||
name: dkim-keys
|
||||
namespace: mailgateway
|
||||
spec:
|
||||
destination:
|
||||
create: true
|
||||
name: dkim-keys
|
||||
overwrite: true
|
||||
hmacSecretData: true
|
||||
mount: kv
|
||||
path: kubernetes/namespace/mailgateway/default/dkim-keys
|
||||
refreshAfter: 5m
|
||||
type: kv-v2
|
||||
vaultAuthRef: default
|
||||
@@ -0,0 +1,6 @@
|
||||
---
|
||||
apiVersion: kustomize.config.k8s.io/v1beta1
|
||||
kind: Kustomization
|
||||
|
||||
resources:
|
||||
- ../../../base/mailgateway
|
||||
@@ -21,6 +21,7 @@ spec:
|
||||
- path: apps/overlays/*/inteldeviceplugins-system
|
||||
- path: apps/overlays/*/jfrog
|
||||
- path: apps/overlays/*/node-feature-discovery
|
||||
- path: apps/overlays/*/mailgateway
|
||||
- path: apps/overlays/*/puppet
|
||||
- path: apps/overlays/*/purelb
|
||||
- path: apps/overlays/*/reflector-system
|
||||
|
||||
Reference in New Issue
Block a user