smtp: point services at mailu relay

services/keycloak/realm-settings-job.yaml

@@ -2,7 +2,7 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: keycloak-realm-settings-21
+  name: keycloak-realm-settings-22
   namespace: sso
 spec:
   backoffLimit: 0
@@ -59,7 +59,7 @@ spec:
             - name: KEYCLOAK_REALM
               value: atlas
             - name: KEYCLOAK_SMTP_HOST
-              value: smtp.postmarkapp.com
+              value: mailu-front.mailu-mailserver.svc.cluster.local
             - name: KEYCLOAK_SMTP_PORT
               value: "587"
             - name: KEYCLOAK_SMTP_FROM
@@ -468,4 +468,4 @@ spec:
                               f"Unexpected execution update response for identity-provider-redirector: {status}"
                           )
               PY
-          volumeMounts:
+          volumeMounts:

services/monitoring/helmrelease.yaml

@@ -291,7 +291,7 @@ spec:
       GF_AUTH_ANONYMOUS_ORG_NAME: "Overview"
       GF_AUTH_ANONYMOUS_ORG_ROLE: "Viewer"
       GF_SMTP_ENABLED: "true"
-      GF_SMTP_HOST: "smtp.postmarkapp.com:587"
+      GF_SMTP_HOST: "mailu-front.mailu-mailserver.svc.cluster.local:587"
       GF_SMTP_FROM: "no-reply-grafana@bstein.dev"
       GF_SMTP_FROM_NAME: "Atlas Grafana"
       GRAFANA_ALERT_EMAILS: "alerts@bstein.dev"

services/nextcloud/configmap.yaml

@@ -18,7 +18,7 @@ data:
       'default_phone_region' => 'US',
       'mail_smtpmode' => 'smtp',
       'mail_sendmailmode' => 'smtp',
-      'mail_smtphost' => 'smtp.postmarkapp.com',
+      'mail_smtphost' => 'mailu-front.mailu-mailserver.svc.cluster.local',
       'mail_smtpport' => '587',
       'mail_smtpsecure' => 'tls',
       'mail_smtpauth' => true,

services/nextcloud/deployment.yaml

@@ -217,7 +217,7 @@ spec:
               value: https://cloud.bstein.dev
             # SMTP (external secret: nextcloud-smtp with keys username, password)
             - name: SMTP_HOST
-              value: smtp.postmarkapp.com
+              value: mailu-front.mailu-mailserver.svc.cluster.local
             - name: SMTP_PORT
               value: "587"
             - name: SMTP_SECURE

services/vaultwarden/deployment.yaml

@@ -51,7 +51,7 @@ spec:
             - name: DOMAIN
               value: "https://vault.bstein.dev"
             - name: SMTP_HOST
-              value: "smtp.postmarkapp.com"
+              value: "mailu-front.mailu-mailserver.svc.cluster.local"
             - name: SMTP_PORT
               value: "587"
             - name: SMTP_SECURITY