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fix(postfix): Require TLSv1.3

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This commit is contained in:
Thomas Kaltenbrunner
2025-05-22 10:15:24 +02:00
committed by Thorsten Roßner
parent 785be8b662
commit 3b3d8aca54
2 changed files with 10 additions and 0 deletions
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4
helmfile/apps/open-xchange/values-postfix.yaml.gotmpl
View File

@@ -55,6 +55,10 @@ postfix:
{{- if .Values.apps.dkimpy.enabled }}
dkimpyHost: "opendesk-dkimpy-milter.{{ .Release.Namespace }}.svc.{{.Values.cluster.networking.domain }}:8892"
{{- end }}
minTLSVersion: "TLSv1.3"
smtpdTLSMandatoryCiphers: "high"
rspamdHost: ""
relayHost: {{ if .Values.smtp.host }}{{ printf "[%s]:%d" .Values.smtp.host .Values.smtp.port | quote }}{{ else }}""{{ end }}
allowRelayNets: false

6
helmfile/apps/services-external/values-postfix.yaml.gotmpl
View File

@@ -65,8 +65,14 @@ postfix:
{{- end }}
rspamdHost: ""
relayHost: {{ if .Values.smtp.host }}{{ printf "[%s]:%d" .Values.smtp.host .Values.smtp.port | quote }}{{ else }}""{{ end }}
# Warning: This setting allows unauthenticated mail relay from relayNets!
relayNets: {{ join " " .Values.cluster.networking.cidr | quote }}
allowRelayNets: true
minTLSVersion: "TLSv1.3"
smtpdTLSMandatoryCiphers: "high"
smtpSASLAuthEnable: "yes"
smtpSASLPasswordMaps: "lmdb:/etc/postfix/sasl_passwd.map"
smtpTLSSecurityLevel: "encrypt"