diff --git a/charts/radar-appserver/Chart.yaml b/charts/radar-appserver/Chart.yaml
index 79218e64..9c4a2d75 100644
--- a/charts/radar-appserver/Chart.yaml
+++ b/charts/radar-appserver/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "2.4.1"
 description: A Helm chart for the backend application of RADAR-base Appserver
 name: radar-appserver
-version: 0.2.2
+version: 0.3.0
 icon: "http://radar-base.org/wp-content/uploads/2022/09/Logo_RADAR-Base-RGB.png"
 sources:
 - https://github.com/RADAR-base/radar-helm-charts/tree/main/charts/radar-appserver
diff --git a/charts/radar-appserver/README.md b/charts/radar-appserver/README.md
index 314a6507..b6f51b29 100644
--- a/charts/radar-appserver/README.md
+++ b/charts/radar-appserver/README.md
@@ -3,7 +3,7 @@
 # radar-appserver
 [![Artifact HUB](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/radar-appserver)](https://artifacthub.io/packages/helm/radar-base/radar-appserver)
 
-![Version: 0.2.2](https://img.shields.io/badge/Version-0.2.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.4.1](https://img.shields.io/badge/AppVersion-2.4.1-informational?style=flat-square)
+![Version: 0.3.0](https://img.shields.io/badge/Version-0.3.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.4.1](https://img.shields.io/badge/AppVersion-2.4.1-informational?style=flat-square)
 
 A Helm chart for the backend application of RADAR-base Appserver
 
@@ -84,3 +84,11 @@ A Helm chart for the backend application of RADAR-base Appserver
 | public_key_endpoints | string | `nil` |  |
 | google_application_credentials | string | `""` | Google credentials containing FCM server key, etc. |
 | github_client_token | string | `""` | Github client token which is used for authenticating requests |
+| smtp.enabled | bool | `false` | set to true, if sending of notifications via email should be enabled. |
+| smtp.host | string | `"smtp"` | Hostname of the SMTP server |
+| smtp.port | int | `25` | Port of the SMTP server |
+| smtp.username | string | `"username"` | Username of the SMTP server |
+| smtp.password | string | `"secret"` | Password of the SMTP server |
+| smtp.from | string | `"noreply@example.com"` | Email address which should be used to send activation emails |
+| smtp.starttls | bool | `false` | set to true,if TTLS should be enabled |
+| smtp.auth | bool | `true` | set to true, if the account should be authenticated before sending emails |
diff --git a/charts/radar-appserver/templates/deployment.yaml b/charts/radar-appserver/templates/deployment.yaml
index 9a886717..551ab99c 100644
--- a/charts/radar-appserver/templates/deployment.yaml
+++ b/charts/radar-appserver/templates/deployment.yaml
@@ -81,6 +81,32 @@ spec:
               secretKeyRef:
                 name: {{ template "radar-appserver.secretName" . }}
                 key: githubClientToken
+          {{- if .Values.smtp.enabled }}
+          - name: RADAR_NOTIFICATION_EMAIL_ENABLED
+            value: {{ .Values.smtp.enabled | quote }}
+          - name: RADAR_NOTIFICATION_EMAIL_FROM
+            value: {{ .Values.smtp.from }}
+          - name: SPRING_MAIL_HOST
+            value: "{{ .Values.smtp.host }}"
+          - name: SPRING_MAIL_PORT
+            value: {{ .Values.smtp.port | quote }}
+          - name: SPRING_MAIL_PROPERTIES_MAIL_SMTP_STARTTLS_ENABLE
+            value: {{ .Values.smtp.starttls | quote }}
+          - name: SPRING_MAIL_PROPERTIES_MAIL_SMTP_AUTH
+            value: {{ .Values.smtp.auth | quote }}
+            {{ if .Values.smtp.auth }}
+          - name: SPRING_MAIL_USERNAME
+            valueFrom:
+              secretKeyRef:
+                name: {{ template "radar-appserver.secretName" . }}
+                key: smtpUsername
+          - name: SPRING_MAIL_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                name: {{ template "radar-appserver.secretName" . }}
+                key: smtpPassword
+            {{- end }}
+          {{- end }}
           {{- with .Values.extraEnvVars }}
             {{- toYaml . | nindent 10 }}
           {{- end }}
diff --git a/charts/radar-appserver/templates/secrets.yaml b/charts/radar-appserver/templates/secrets.yaml
index 5364ccad..83a77071 100644
--- a/charts/radar-appserver/templates/secrets.yaml
+++ b/charts/radar-appserver/templates/secrets.yaml
@@ -13,4 +13,8 @@ data:
   databasePassword: {{ .Values.postgres.password | b64enc | quote }}
   githubClientToken: {{ .Values.github_client_token | b64enc | quote }}
   firebaseAdminSdkKey: {{ .Values.google_application_credentials | b64enc | quote }}
+  {{- if and .Values.smtp.enabled .Values.smtp.auth }}
+  smtpUsername: {{ .Values.smtp.username | b64enc | quote }}
+  smtpPassword: {{ .Values.smtp.password | b64enc | quote }}
+  {{ end }}
 {{- end -}}
diff --git a/charts/radar-appserver/values.yaml b/charts/radar-appserver/values.yaml
index ddb5774b..38df5223 100644
--- a/charts/radar-appserver/values.yaml
+++ b/charts/radar-appserver/values.yaml
@@ -213,3 +213,21 @@ google_application_credentials: ""
 
 # -- Github client token which is used for authenticating requests
 github_client_token: ""
+
+smtp:
+  # -- set to true, if sending of notifications via email should be enabled.
+  enabled: false
+  # -- Hostname of the SMTP server
+  host: smtp
+  # -- Port of the SMTP server
+  port: 25
+  # -- Username of the SMTP server
+  username: username
+  # -- Password of the SMTP server
+  password: secret
+  # -- Email address which should be used to send activation emails
+  from: noreply@example.com
+  # -- set to true,if TTLS should be enabled
+  starttls: false
+  # -- set to true, if the account should be authenticated before sending emails
+  auth: true