diff --git a/frontend/app/lib/gapi/client.dart b/frontend/app/lib/gapi/client.dart
index b52a466..eb99b9b 100644
--- a/frontend/app/lib/gapi/client.dart
+++ b/frontend/app/lib/gapi/client.dart
@@ -1,10 +1,14 @@
+import 'dart:developer';
+
 import 'package:app/data/database.dart';
 import 'package:app/pb/account.pb.dart';
 import 'package:app/pb/rpc_create_account.pb.dart';
+import 'package:app/pb/rpc_get_account.pb.dart';
 import 'package:app/pb/rpc_get_account_info.pb.dart';
 import 'package:app/pb/rpc_login.pb.dart';
 import 'package:app/pb/rpc_refresh_token.pb.dart';
 import 'package:app/pb/service_df.pbgrpc.dart';
+import 'package:fixnum/fixnum.dart';
 import 'package:grpc/grpc.dart';
 
 class GClient {
@@ -18,7 +22,7 @@ class GClient {
   Map<String, String> metadata = {'Authorization': ''};
 
   late Session session;
-  late Account account;
+  Account? account;
 
   static Future<GClient> get client async {
     Session s = await Session.session;
@@ -64,11 +68,11 @@ class GClient {
       ));
       account = response.account;
       return response;
-    } on GrpcError catch (e) {
-      onError(error: e);
-      print('GRPC ERROR: ${e.message}');
-    } catch (e) {
-      print('ERROR: $e');
+    } on GrpcError catch (err) {
+      onError(error: err);
+      print('GRPC ERROR: ${err.message}');
+    } catch (err) {
+      print('ERROR: $err');
     }
     return CreateAccountResponse();
   }
@@ -96,12 +100,12 @@ class GClient {
       metadata['Authorization'] = 'Bearer ${response.accessToken}';
       onSuccess();
       return response;
-    } on GrpcError catch (e) {
-      print('caught error: ${e.message}');
+    } on GrpcError catch (err) {
+      print('caught error: ${err.message}');
       metadata['Authorization'] = '';
-      onError(error: e);
-    } catch (e) {
-      print('caught error: $e');
+      onError(error: err);
+    } catch (err) {
+      print('caught error: $err');
       metadata['Authorization'] = '';
       onError();
     }
@@ -128,12 +132,36 @@ class GClient {
       session.accessToken = response.accessToken;
       session.insertSession(session);
       return true;
-    } on GrpcError catch (e) {
-      print('caught grpc error: $e');
+    } on GrpcError catch (err) {
+      print('caught grpc error: $err');
     }
     return false;
   }
 
+  Future<GetAccountResponse> getAccount(
+      {required Int64 accountId,
+      required Function({GrpcError? err}) onError}) async {
+    GetAccountResponse response = GetAccountResponse();
+    try {
+      response = await stub.getAccount(GetAccountRequest(
+        id: accountId,
+      ));
+      account = response.account;
+    } on GrpcError catch (err) {
+      if (err.code == 16) {
+        log(err.toString());
+        onError(err: err);
+      } else {
+        log(err.toString());
+        onError();
+      }
+    } catch (err) {
+      log(err.toString());
+      onError();
+    }
+    return response;
+  }
+
   Future<GetAccountInfoResponse> getAccountInfo(GetAccountInfoRequest request,
       {required Function({String msg}) onError}) async {
     GetAccountInfoResponse response = GetAccountInfoResponse();
@@ -146,16 +174,16 @@ class GClient {
         ),
       );
       return response;
-    } on GrpcError catch (e) {
-      print('caught grpc error: ${e.message} [${e.code}]');
-      if (e.code == 16) {
+    } on GrpcError catch (err) {
+      print('caught grpc error: ${err.message} [${err.code}]');
+      if (err.code == 16) {
         onError(msg: 'Sitzung ist abgelaufen.\nBitte loggen Sie sich neu ein.');
       } else {
-        onError(msg: e.message != null ? e.message! : 'Interner Fehler');
+        onError(msg: err.message != null ? err.message! : 'Interner Fehler');
       }
-    } catch (e) {
-      print('caught error: $e');
-      onError();
+    } catch (err) {
+      print('caught error: $err');
+      onError(msg: err.toString());
     }
     return response;
   }
diff --git a/frontend/app/lib/pages/register_page.dart b/frontend/app/lib/pages/register_page.dart
index 923f72a..1257b00 100644
--- a/frontend/app/lib/pages/register_page.dart
+++ b/frontend/app/lib/pages/register_page.dart
@@ -261,6 +261,65 @@ class _RegisterPageState extends State<RegisterPage> {
                                       .then(
                                     (r) {
                                       if (r.account.secretKey != '') {
+                                        widget.client
+                                            .login(
+                                                email: mailController.text,
+                                                password:
+                                                    passwordController.text,
+                                                onError: (
+                                                    {GrpcError? error}) {},
+                                                onSuccess: () {})
+                                            .then((resp) {
+                                          widget.client.getAccount(
+                                              accountId: r.account.id,
+                                              onError: ({GrpcError? err}) {
+                                                _setLoading(false);
+                                                ScaffoldMessenger.of(context)
+                                                    .showSnackBar(
+                                                  SnackBar(
+                                                    content: const Text(
+                                                      'Login fehlgeschlagen',
+                                                    ),
+                                                    action: SnackBarAction(
+                                                        textColor: Colors.grey,
+                                                        label: 'Details',
+                                                        onPressed: () {
+                                                          showDialog(
+                                                            context: context,
+                                                            builder: (context) {
+                                                              return AlertDialog(
+                                                                content: err !=
+                                                                        null
+                                                                    ? Text(
+                                                                        'Hoppla! Da ist etwas schief gelaufen..\n\n${err.message}',
+                                                                        textAlign:
+                                                                            TextAlign.center,
+                                                                        style: const TextStyle(
+                                                                            color:
+                                                                                Colors.black),
+                                                                      )
+                                                                    : const Text(
+                                                                        'Interner Fehler',
+                                                                        textAlign:
+                                                                            TextAlign.center,
+                                                                        style: TextStyle(
+                                                                            color:
+                                                                                Colors.black),
+                                                                      ),
+                                                                icon:
+                                                                    const Icon(
+                                                                  Icons.error,
+                                                                  color: Colors
+                                                                      .black,
+                                                                ),
+                                                              );
+                                                            },
+                                                          );
+                                                        }),
+                                                  ),
+                                                );
+                                              });
+                                        });
                                         Navigator.pushAndRemoveUntil(
                                             context,
                                             MaterialPageRoute(
diff --git a/frontend/app/lib/pages/start_page.dart b/frontend/app/lib/pages/start_page.dart
index bc4578b..df44d08 100644
--- a/frontend/app/lib/pages/start_page.dart
+++ b/frontend/app/lib/pages/start_page.dart
@@ -308,6 +308,19 @@ class _StartPageState extends State<StartPage> {
                   'lib/assets/logo_300x200.png',
                 ),
               ),
+              if (widget.client.account != null &&
+                  !widget.client.account!.emailVerified)
+                Container(
+                  height: 120,
+                  width: double.infinity,
+                  padding:
+                      const EdgeInsets.symmetric(vertical: 20, horizontal: 10),
+                  child: Card(
+                    color: Colors.brown.shade300,
+                    child: const Text(
+                        'Deine E-Mail Adresse ist noch nicht validiert.'),
+                  ),
+                ),
               const SizedBox(
                 height: 40,
               ),