82 lines
2.4 KiB
YAML
82 lines
2.4 KiB
YAML
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# Postfix MTA for the Messages email platform.
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#
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# MTA-out: accepts SMTP from cluster-internal services (Kratos, Messages Django),
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# signs with DKIM, and relays outbound via Scaleway TEM.
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#
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# MTA-in: receives inbound email from the internet (routed via Pingora on port 25).
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# In local dev, no MX record points here so inbound never arrives.
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#
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# Credentials: Secret "postfix-tem-credentials" with keys:
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# smtp_user — Scaleway TEM SMTP username (project ID)
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# smtp_password — Scaleway TEM SMTP password (API key)
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#
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# DKIM keys: Secret "postfix-dkim" with key:
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# private.key — DKIM private key for sunbeam.pt (generated once; add DNS TXT record)
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# selector — DKIM selector (e.g. "mail")
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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: lasuite
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spec:
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replicas: 1
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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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labels:
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app: postfix
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spec:
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automountServiceAccountToken: false
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containers:
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- name: postfix
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image: boky/postfix:latest
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ports:
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- name: smtp
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containerPort: 25
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protocol: TCP
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env:
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# Accept mail from all cluster-internal pods.
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- name: MYNETWORKS
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value: "10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 127.0.0.0/8"
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# Sending domain — replaced by sed at deploy time.
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- name: ALLOWED_SENDER_DOMAINS
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value: "DOMAIN_SUFFIX"
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# Scaleway TEM outbound relay.
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- name: RELAYHOST
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value: "[smtp.tem.scw.cloud]:587"
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- name: SASL_USER
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valueFrom:
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secretKeyRef:
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name: postfix-tem-credentials
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key: smtp_user
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optional: true # allows pod to start before secret exists
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- name: SASL_PASSWORD
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valueFrom:
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secretKeyRef:
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name: postfix-tem-credentials
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key: smtp_password
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optional: true
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resources:
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limits:
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memory: 64Mi
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requests:
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memory: 32Mi
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cpu: 10m
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: postfix
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namespace: lasuite
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spec:
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selector:
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app: postfix
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ports:
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- name: smtp
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port: 25
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targetPort: 25
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protocol: TCP
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