diff --git a/README.md b/README.md
index 412f74e..4cdc538 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,13 @@
 
 purpose: gather data from intern(WMDE) and extern(volunteers) forms to create a database ('förderdatenbank') and send emails with links for a questionary.
 
-## Should be executed daily
+## installation and development setup
 
-    python3 manage.py sendmails
+    ln -sr foerderbarometer/settings_development.py foerderbarometer/settings.py
+
+run the development server with
+
+    python3 manage.py runserver
 
 ## versions used in development
 
@@ -16,7 +20,7 @@ purpose: gather data from intern(WMDE) and extern(volunteers) forms to create a
 
 ## production setup
 
-    ln -s foerderbarometer/settings_production.py foerderbarometer/settings.py
+    ln -sr foerderbarometer/settings_production.py foerderbarometer/settings.py
 
 edit /secrets.json to contain something similar to
 
@@ -28,14 +32,19 @@ edit foerderbarometer/settings_production.py according to your database setup (t
 
 run the following commands:
 
-    python manage.py makemigrations
-    python manage.py migrate
-    python manage.py collectstatic
+    python3 manage.py makemigrations
+    python3 manage.py migrate
+    python3 manage.py collectstatic
 
 add to cron at least one time a day:
 
-    python manage.py sendmails
+    python3 manage.py sendmails
 
 server starts with
 
     nohup gunicorn --forwarded-allow-ips="*" -b '0:8000' foerderbarometer.wsgi 2&> logfile &
+
+
+Should be executed at least daily e.g. in crontab
+
+    python3 manage.py sendmails
diff --git a/input/views.py b/input/views.py
index 4160530..83df689 100644
--- a/input/views.py
+++ b/input/views.py
@@ -1,4 +1,5 @@
 from datetime import date
+from smtplib import SMTPException
 
 from django.shortcuts import render
 from django.forms import modelformset_factory
@@ -154,19 +155,19 @@ class ExternView(CookieWizardView):
         print(data)
 
         # write data to database
-        form = form.save(commit=False)
+        modell = form.save(commit=False)
         # we have to copy the data from the first form here
-        # this is a bit ugly code. how can we copy this without explicit writing?
-        form.realname = data['realname']
+        # this is a bit ugly code. can we copy this without explicit writing?
+        modell.realname = data['realname']
         # form.username = data['username']
-        form.email = data['email']
+        modell.email = data['email']
         # write type of form in some cases
         if data['choice'] in ('BIB', 'ELIT', 'SOFT'):
-            form.type = data['choice']
+            modell.type = data['choice']
         form.save()
 
         # add some data to context for mail templates
-        data['pk'] = form.pk
+        data['pk'] = modell.pk
         data['urlprefix'] = settings.URLPREFIX
         data['grant'] = ('LIT', 'SOFT', 'ELIT', 'BIB', 'IFG')
         data['DOMAIN'] = ('MAIL', 'LIST')
@@ -181,7 +182,7 @@ class ExternView(CookieWizardView):
                 'Formular ausgefüllt',
                 mail_template.render(context),
                 IF_EMAIL,
-                [form.email],
+                [data['email']],
                 fail_silently=False)
             #  - mail to IF with link to accept/decline
             mail_template = get_template('input/if_mail.txt')
@@ -193,6 +194,9 @@ class ExternView(CookieWizardView):
                 fail_silently=False)
 
         except BadHeaderError:
-            return HttpResponse('Invalid header found.')
+            return HttpResponse('Invalid header found. Data not saved!')
+        except SMTPException:
+            return HttpResponse('Error in sending mails (propably wrong adress?). Data not saved!')
+
 
         return done(self.request)