diff --git a/auth.py b/auth.py
index 07da3f3..5477a71 100644
--- a/auth.py
+++ b/auth.py
@@ -48,7 +48,10 @@ def register():
                 logging.info("Generated confirmation url: %s", confirm_url)
                 content = render_template('auth/confirm_mail.html', confirm_url=confirm_url, username=username, email=email)
                 subject = "Registrierung für ProPedal - Planner von %s" % email
-                calendar_interface.send_mail("struebin.patrick@gmail.com", subject, content)
+
+                # Send confirmation email to a defined static confirmation add, if not defined use the users add
+                confirmation_add = current_app.config.get("CONFIRMATATION_EMAIL_ADD", email)     
+                calendar_interface.send_mail(confirmation_add, subject, content)
 
                 flash("Registrierung erfolgreich.")
                 return redirect(url_for("index"))
diff --git a/calendar_interface.py b/calendar_interface.py
index dcd514b..4c9a577 100644
--- a/calendar_interface.py
+++ b/calendar_interface.py
@@ -113,7 +113,6 @@ def get_calendar_event(id, filter: str=""):
 
     return execute_user_request(token, f"calendars/{MsalConfig.CALENDAR_ID}/events/{id}{filter}")
 
-
 def get_future_calendar_events():
 
     t1=datetime.now()
diff --git a/config.py b/config.py
index 17ba75c..f1f2417 100644
--- a/config.py
+++ b/config.py
@@ -3,16 +3,10 @@ class DefaultConfig:
     TESTING = False
     DATABASE_URI = "users.db"
     SECRET_KEY = SECURITY_PASSWORD_SALT='default'
-
+    CONFIRMATATION_EMAIL_ADD=None
 
 class Config(DefaultConfig):
-
-    AUTHORITY = "https://login.microsoftonline.com/propedal.at",
-    CLIENT_ID = "52f192c4-875d-44a2-b28a-575e920225e5", # client public id (from azure web interface)#"da3fc28c-5fcf-4884-9477-903a4420cc3d",
-    scope = ["https://graph.microsoft.com/.default"], # scopes from api
-    secret = "irj8Q~PliZzSe7JnXEaiWKQ6v0CAg1DTZOO~Ccsf" # api secret key (from azure web interface)#"bqP8Q~SEp_AmYYDZoEykXxZdADoCOhzOOhbO3c3T"
-    USER_ID = "simone.profus@propedal.at"
-    CALENDAR_ID = "AAMkADY0MDg1MTVjLTg5ZjItNGQxYS04MGQ3LWY2NjJmYjM0YmZhOQBGAAAAAADXD7SdVoWYQI4RYXbBumMEBwAf_ngZxs71RonY3GuLL8TVAAAAAAEGAAAf_ngZxs71RonY3GuLL8TVAADHFxN2AAA=" # calendar id -  determined by /users/id/calendars
+  CONFIRMATATION_EMAIL_ADD= "struebin.patrick@gmail.com"
 
 class ProductionConfig(Config):
     SECRET_KEY = '\xacI4\x077\x16?Q\xb4")\xdb\x066\x95\x11i\x0b\x0c&\xb6rP\''