diff --git a/src/ezgg_lan_manager/components/NewTransactionForm.py b/src/ezgg_lan_manager/components/NewTransactionForm.py
index 7ffbe18..ad1e0dc 100644
--- a/src/ezgg_lan_manager/components/NewTransactionForm.py
+++ b/src/ezgg_lan_manager/components/NewTransactionForm.py
@@ -46,7 +46,6 @@ class NewTransactionForm(Component):
                     label="Betrag",
                     suffix_text="€",
                     decimals=2,
-                    thousands_separator=".",
                     margin=1,
                     margin_bottom=0
                 ),
diff --git a/src/ezgg_lan_manager/pages/ManageUsersPage.py b/src/ezgg_lan_manager/pages/ManageUsersPage.py
index 46f3241..e02ce2e 100644
--- a/src/ezgg_lan_manager/pages/ManageUsersPage.py
+++ b/src/ezgg_lan_manager/pages/ManageUsersPage.py
@@ -6,7 +6,7 @@ from rio import Column, Component, event, TextStyle, Text, TextInput, ThemeConte
     PointerEventListener, PointerEvent, Rectangle, CursorStyle, Color, TextInputChangeEvent, Spacer, Row, Switch, \
     SwitchChangeEvent, EventHandler
 
-from src.ezgg_lan_manager import ConfigurationService, UserService, AccountingService, SeatingService
+from src.ezgg_lan_manager import ConfigurationService, UserService, AccountingService, SeatingService, MailingService
 from src.ezgg_lan_manager.components.MainViewContentBox import MainViewContentBox
 from src.ezgg_lan_manager.components.NewTransactionForm import NewTransactionForm
 from src.ezgg_lan_manager.components.UserEditForm import UserEditForm
@@ -104,11 +104,17 @@ class ManageUsersPage(Component):
                 self.accounting_section_result_success = False
                 return
         else:
-            await self.session[AccountingService].add_balance(
+            new_total_balance = await self.session[AccountingService].add_balance(
                 transaction.user_id,
                 transaction.value,
                 transaction.reference
             )
+            user = await self.session[UserService].get_user(transaction.user_id)
+            await self.session[MailingService].send_email(
+                "Dein Guthaben wurde aufgeladen",
+                self.session[MailingService].generate_account_balance_added_mail_body(user, transaction.value, new_total_balance),
+                user.user_mail
+            )
 
         self.accounting_section_result_text = f"Guthaben {'entfernt' if transaction.is_debit else 'hinzugefügt'}!"
         self.accounting_section_result_success = True
diff --git a/src/ezgg_lan_manager/services/MailingService.py b/src/ezgg_lan_manager/services/MailingService.py
index d4eabfd..8636c68 100644
--- a/src/ezgg_lan_manager/services/MailingService.py
+++ b/src/ezgg_lan_manager/services/MailingService.py
@@ -1,10 +1,12 @@
 import logging
+from decimal import Decimal
 from email.message import EmailMessage
 from asyncio import sleep
 
 import aiosmtplib
 
 from src.ezgg_lan_manager.services.ConfigurationService import ConfigurationService
+from src.ezgg_lan_manager.types.User import User
 
 logger = logging.getLogger(__name__.split(".")[-1])
 
@@ -16,6 +18,9 @@ class MailingService:
     async def send_email(self, subject: str, body: str, receiver: str) -> None:
         if self._configuration_service.DEV_MODE_ACTIVE:
             logger.info(f"Skipped sending mail to {receiver} because demo mode is active.")
+            logger.info(f"Subject: {subject}")
+            logger.info(f"Receiver: {receiver}")
+            logger.info(f"Body: {body}")
             await sleep(1)
             return
 
@@ -35,3 +40,15 @@ class MailingService:
             )
         except Exception as e:
             logger.error(f"Failed to send email: {e}")
+
+    def generate_account_balance_added_mail_body(self, user: User, added_balance: Decimal, total_balance: Decimal) -> str:
+        return f"""
+        Hallo {user.user_name},
+        
+        deinem Account wurden {added_balance} € hinzugefügt. Dein neues Guthaben beträgt nun {total_balance} €.
+        
+        Wenn du zu dieser Aufladung Fragen hast, stehen wir dir in unserem Discord Server oder per Mail an {self._configuration_service.get_lan_info().organizer_mail} zur Verfügung.
+        
+        Liebe Grüße
+        Dein {self._configuration_service.get_lan_info().name} Team
+        """