diff --git a/charts/smtp/templates/deployment.yaml b/charts/smtp/templates/deployment.yaml
index 2732dbe..29011db 100644
--- a/charts/smtp/templates/deployment.yaml
+++ b/charts/smtp/templates/deployment.yaml
@@ -51,6 +51,14 @@ spec:
             periodSeconds: 60
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          {{- if .Values.extraVolumeMounts }}
+          volumeMounts:
+          {{- toYaml .Values.extraVolumeMounts | nindent 10 }}
+          {{- end }}
+      {{- if .Values.extraVolumes }}
+      volumes:
+      {{- toYaml .Values.extraVolumes | nindent 6 }}
+      {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}