diff --git a/app/src/main/java/info/nightscout/androidaps/MainApp.kt b/app/src/main/java/info/nightscout/androidaps/MainApp.kt
index eae9da8d40..043cc10b06 100644
--- a/app/src/main/java/info/nightscout/androidaps/MainApp.kt
+++ b/app/src/main/java/info/nightscout/androidaps/MainApp.kt
@@ -25,6 +25,8 @@ import info.nightscout.androidaps.logging.LTag
 import info.nightscout.androidaps.logging.UserEntryLogger
 import info.nightscout.androidaps.plugins.configBuilder.PluginStore
 import info.nightscout.androidaps.plugins.constraints.versionChecker.VersionCheckerUtils
+import info.nightscout.androidaps.plugins.general.overview.notifications.Notification
+import info.nightscout.androidaps.plugins.general.overview.notifications.NotificationStore
 import info.nightscout.androidaps.receivers.BTReceiver
 import info.nightscout.androidaps.receivers.ChargingStateReceiver
 import info.nightscout.androidaps.receivers.KeepAliveReceiver.KeepAliveManager
@@ -33,6 +35,7 @@ import info.nightscout.androidaps.receivers.TimeDateOrTZChangeReceiver
 import info.nightscout.androidaps.services.AlarmSoundServiceHelper
 import info.nightscout.androidaps.utils.ActivityMonitor
 import info.nightscout.androidaps.utils.DateUtil
+import info.nightscout.androidaps.utils.buildHelper.BuildHelper
 import info.nightscout.androidaps.utils.locale.LocaleHelper
 import info.nightscout.androidaps.utils.protection.PasswordCheck
 import info.nightscout.androidaps.utils.sharedPreferences.SP
@@ -55,6 +58,7 @@ class MainApp : DaggerApplication() {
     @Inject lateinit var versionCheckersUtils: VersionCheckerUtils
     @Inject lateinit var sp: SP
     @Inject lateinit var config: Config
+    @Inject lateinit var buildHelper: BuildHelper
     @Inject lateinit var configBuilder: ConfigBuilder
     @Inject lateinit var keepAliveManager: KeepAliveManager
     @Inject lateinit var plugins: List<@JvmSuppressWildcards PluginBase>
@@ -65,6 +69,7 @@ class MainApp : DaggerApplication() {
     @Inject lateinit var uel: UserEntryLogger
     @Inject lateinit var passwordCheck: PasswordCheck
     @Inject lateinit var alarmSoundServiceHelper: AlarmSoundServiceHelper
+    @Inject lateinit var notificationStore: NotificationStore
 
     override fun onCreate() {
         super.onCreate()
@@ -99,8 +104,11 @@ class MainApp : DaggerApplication() {
         aapsLogger.debug("Remote: " + BuildConfig.REMOTE)
         registerLocalBroadcastReceiver()
 
-        //trigger here to see the new version on app start after an update
+        // trigger here to see the new version on app start after an update
         versionCheckersUtils.triggerCheckVersion()
+        // check if identification is set
+        if (buildHelper.isDev() && sp.getStringOrNull(R.string.key_email_for_crash_report, null).isNullOrBlank())
+            notificationStore.add(Notification(Notification.IDENTIFICATION_NOT_SET, getString(R.string.identification_not_set), Notification.INFO))
 
         // Register all tabs in app here
         pluginStore.plugins = plugins
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
index 8cf2eab1ec..d9d0049edd 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
@@ -331,6 +331,7 @@ class OverviewFragment : DaggerFragment(), View.OnClickListener, OnLongClickList
         updateSensitivity("onResume")
         updateGraph("onResume")
         updatePumpStatus("onResume")
+        updateNotification("onResume")
     }
 
     @Synchronized
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index db8266abdb..43382b5de7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1083,7 +1083,7 @@
     <string name="cannula">Cannula</string>
     <string name="userentry">User entry</string>
     <string name="common_values">Use values of your largest food you usually eat\n</string>
-    <string name="summary_email_for_crash_report">This email address will attached to crash reports so we can contact you in urgent cases. It\'s optional.</string>
+    <string name="summary_email_for_crash_report">This identification will attached to crash reports so we can contact you in urgent cases. It\'s optional.</string>
     <string name="email_address">Email address</string>
     <string name="privacy_settings">Privacy setting</string>
     <string name="privacy_summary">You can provide optional email address if you want to be notified about app crashes. This is not an automated service. You will be contacted by developers in dangerous situations.</string>
@@ -1135,5 +1135,7 @@
     <string name="recalculated_data_used">Recalculated data used</string>
     <string name="bg_too_close">BG too close:\n%1$s\n%2$s</string>
     <string name="key_last_processed_glunovo_timestamp" translatable="false">last_processed_glunovo_timestamp</string>
+    <string name="identification">Identification (email, FB or Discord nick etc)</string>
+    <string name="identification_not_set">Identification not set in dev mode</string>
 
 </resources>
diff --git a/app/src/main/res/xml/pref_datachoices.xml b/app/src/main/res/xml/pref_datachoices.xml
index 1e6423f3da..408296cae5 100644
--- a/app/src/main/res/xml/pref_datachoices.xml
+++ b/app/src/main/res/xml/pref_datachoices.xml
@@ -16,12 +16,11 @@
 
         <info.nightscout.androidaps.utils.textValidator.ValidatingEditTextPreference
             android:dialogMessage="@string/summary_email_for_crash_report"
-            android:inputType="textEmailAddress"
+            android:inputType="text"
             android:key="@string/key_email_for_crash_report"
             android:selectAllOnFocus="true"
             android:summary="@string/summary_email_for_crash_report"
-            android:title="@string/email_address"
-            validate:testType="email" />
+            android:title="@string/identification" />
 
     </PreferenceCategory>
 
diff --git a/core/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/Notification.kt b/core/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/Notification.kt
index 7dff52b472..bf5f8d2998 100644
--- a/core/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/Notification.kt
+++ b/core/src/main/java/info/nightscout/androidaps/plugins/general/overview/notifications/Notification.kt
@@ -128,6 +128,7 @@ open class Notification {
         const val VERSION_EXPIRE = 74
         const val INVALID_PROFILE_NOT_ACCEPTED = 75
         const val MDT_INVALID_HISTORY_DATA = 76
+        const val IDENTIFICATION_NOT_SET = 77
 
         const val USER_MESSAGE = 1000