From c6a3aec8edc724195606ae375da537970fdd69e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Geoffrey=20Gu=C3=A9ret?= <ggueret@users.noreply.github.com>
Date: Tue, 3 Feb 2026 22:34:27 +0100
Subject: [PATCH] fix: fallback to standard mail ports when no exposure method
 configured

---
 charts/mailu/templates/_services.tpl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/charts/mailu/templates/_services.tpl b/charts/mailu/templates/_services.tpl
index 8f5cecdf..8339cf47 100644
--- a/charts/mailu/templates/_services.tpl
+++ b/charts/mailu/templates/_services.tpl
@@ -208,6 +208,11 @@ Service fqdn (within cluster) can be retrieved with `mailu.SERVICE.serviceFqdn`
     {{- end -}}
 {{- end -}}
 
+{{- /* Fallback to standard mail ports when using external ingress */ -}}
+{{- if not $enabledPorts -}}
+    {{- $enabledPorts = list "25" "465" "587" "143" "993" -}}
+{{- end -}}
+
 {{- $enabledPortsString := join "," $enabledPorts -}}
 {{- printf "%s" $enabledPortsString -}}
 {{- end -}}