diff --git a/README.md b/README.md
index 891aec3..ec83599 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ purpose: gather data from intern(WMDE) and extern(volunteers) forms to create a
 
 ## Should be executed daily
 
-    python manage.py sendmails
+    python3 manage.py sendmails
 
 ## versions used in development
 
diff --git a/foerderbarometer/settings_development.py b/foerderbarometer/settings_development.py
index 4b06fe9..3f40d9b 100644
--- a/foerderbarometer/settings_development.py
+++ b/foerderbarometer/settings_development.py
@@ -16,6 +16,9 @@ from pathlib import Path
 
 from django.core.exceptions import ImproperlyConfigured
 
+# prefix for urls in mails
+URLPREFIX = 'http://localhost:8000'
+
 # mails in development go to stdout
 EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
 
diff --git a/foerderbarometer/settings_production.py b/foerderbarometer/settings_production.py
index 08a0774..709c201 100644
--- a/foerderbarometer/settings_production.py
+++ b/foerderbarometer/settings_production.py
@@ -22,6 +22,10 @@ EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
 EMAIL_HOST = '10.0.6.25'
 EMAIL_PORT = '25'
 
+# prefix for urls in mails
+URLPREFIX = 'http://foerderung.wikimedia.de'
+
+
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
diff --git a/input/settings.py b/input/settings.py
index c53b033..fc5056a 100644
--- a/input/settings.py
+++ b/input/settings.py
@@ -1,8 +1,7 @@
 # mail for IF-OTRS
-IF_EMAIL = 'if-test@wikimedia.de'
+IF_EMAIL = 'communitys@wikimedia.de'
 
 # prefix for urls
-URLPREFIX = 'http://127.0.0.1:8000'
 SURVEYPREFIX = 'https://wikimedia.sslsurvey.de/Foerderbarometer/?'
 
 # some links