diff --git a/INSTALLATION.rst b/INSTALLATION.rst
index 26a4ae0e..ee36b3ad 100644
--- a/INSTALLATION.rst
+++ b/INSTALLATION.rst
@@ -43,6 +43,25 @@ After You have complited the task create a pull request and ask someone to revie
 
 `read more about getting code from upstream here <https://help.github.com/articles/syncing-a-fork/>`_
 
+*merging your branch*
+(**IMPORTANT**)
+
+Before You make a pull request from Your forked branch to the ungleich make sure You did merge and resolve any conflicts You may find and that the application is running bug free.
+Also You can run
+
+``./manage test``
+
+
+To merge upstream branch run this git commands.
+
+``git fetch upstream``
+
+``git checkout your_feature_branch``
+
+``git merge remotes/upstream/develop``
+
+
+
 
 
 
diff --git a/dynamicweb/settings/base.py b/dynamicweb/settings/base.py
index 9d64dc60..54e39c9a 100644
--- a/dynamicweb/settings/base.py
+++ b/dynamicweb/settings/base.py
@@ -30,7 +30,7 @@ dotenv.read_dotenv("{0}/.env".format(PROJECT_DIR))
 SITE_ID = 1
 
 APP_ROOT_ENDPOINT = "/"
-APPEND_SLASH=True
+APPEND_SLASH = True
 
 LOGIN_URL = None
 LOGOUT_URL = None
@@ -43,7 +43,7 @@ SECRET_KEY = env('DJANGO_SECRET_KEY')
 # Application definition
 
 INSTALLED_APPS = (
-    #1st migrate
+    # 1st migrate
     'membership',
     'django.contrib.admin',
     'django.contrib.auth',
@@ -79,26 +79,26 @@ INSTALLED_APPS = (
     'menus',  # helper for model independent hierarchical website navigation
     'cmsplugin_filer_image',
 
-    #2nd migrate
+    # 2nd migrate
     # django-cms plugins
-   'djangocms_file',
-   'djangocms_picture',
-   'djangocms_video',
-   # 'djangocms_flash',
-   # 'djangocms_googlemap',
-   # 'djangocms_inherit',
-   # 'djangocms_link',
-   # 'djangocms_teaser',
-   'djangocms_page_meta',
-   'djangocms_text_ckeditor',
-   'djangocms_admin_style',
-   'cmsplugin_filer_file',
-   'cmsplugin_filer_folder',
-   'cmsplugin_filer_link',
-   # 'cmsplugin_filer_teaser',
-   'cmsplugin_filer_video',
+    'djangocms_file',
+    'djangocms_picture',
+    'djangocms_video',
+    # 'djangocms_flash',
+    # 'djangocms_googlemap',
+    # 'djangocms_inherit',
+    # 'djangocms_link',
+    # 'djangocms_teaser',
+    'djangocms_page_meta',
+    'djangocms_text_ckeditor',
+    'djangocms_admin_style',
+    'cmsplugin_filer_file',
+    'cmsplugin_filer_folder',
+    'cmsplugin_filer_link',
+    # 'cmsplugin_filer_teaser',
+    'cmsplugin_filer_video',
     #
-    #blog
+    # blog
     # versioning
     'reversion',
     # ungleich
@@ -128,18 +128,17 @@ MIDDLEWARE_CLASSES = (
 
 ROOT_URLCONF = 'dynamicweb.urls'
 
-
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [os.path.join(PROJECT_DIR,'cms_templates/'),
-                 os.path.join(PROJECT_DIR,'cms_templates/djangocms_blog/'),
-                 os.path.join(PROJECT_DIR,'membership'),
-                 os.path.join(PROJECT_DIR,'ungleich/templates/djangocms_blog/'),
-                 os.path.join(PROJECT_DIR,'ungleich/templates/cms/ungleichch'),
-                 os.path.join(PROJECT_DIR,'ungleich/templates/ungleich')
+        'DIRS': [os.path.join(PROJECT_DIR, 'cms_templates/'),
+                 os.path.join(PROJECT_DIR, 'cms_templates/djangocms_blog/'),
+                 os.path.join(PROJECT_DIR, 'membership'),
+                 os.path.join(PROJECT_DIR, 'ungleich/templates/djangocms_blog/'),
+                 os.path.join(PROJECT_DIR, 'ungleich/templates/cms/ungleichch'),
+                 os.path.join(PROJECT_DIR, 'ungleich/templates/ungleich')
 
-                  ],
+                 ],
         'APP_DIRS': True,
         'OPTIONS': {
             'context_processors': [
@@ -170,7 +169,7 @@ CMS_TEMPLATES = (
     ('letscowork.html', gettext('DG.CoWork')),
     # ('detail.html', gettext('DG.Detail')),
     ('one_column.html', gettext('DG.OneColumn')),
-    #ungleich
+    # ungleich
     ('blog_ungleich.html', gettext('Blog')),
     ('page.html', gettext('Page')),
 )
@@ -204,8 +203,8 @@ LANGUAGES = (
 LANGUAGE_CODE = 'en-us'
 
 LOCALE_PATHS = [
-    
-    os.path.join(PROJECT_DIR,'digitalglarus/locale'),
+
+    os.path.join(PROJECT_DIR, 'digitalglarus/locale'),
 ]
 
 CMS_PLACEHOLDER_CONF = {
@@ -332,9 +331,9 @@ STATICFILES_FINDERS = (
     'compressor.finders.CompressorFinder',
 )
 
-#COMPRESS_PRECOMPILERS = (
+# COMPRESS_PRECOMPILERS = (
 #    ('text/less', 'lesscpy {infile}'),
-#)
+# )
 
 THUMBNAIL_PROCESSORS = (
     'easy_thumbnails.processors.colorspace',
@@ -446,14 +445,15 @@ AUTH_USER_MODEL = 'membership.CustomUser'
 
 # PAYMENT
 
-STRIPE_API_PUBLIC_KEY = 'pk_test_QqBZ50Am8KOxaAlOxbcm9Psl'  # used in frontend to call from user browser
-STRIPE_API_PRIVATE_KEY = 'sk_test_dqAmbKAij12QCGfkYZ3poGt2'  # used in backend payment
 STRIPE_DESCRIPTION_ON_PAYMENT = "Payment for ungleich GmbH services"
 
 # EMAIL MESSAGES
 REGISTRATION_MESSAGE = {'subject': "Validation mail",
-                        'message': 'Please validate Your account under this link http://localhost:8000/en-us/validate/{}',
-                        'from': 'test@test.com'}
+                        'message': 'Thank You for registering for account on Digital Glarus.\nPlease verify Your account under following link http://{host}/en-us/digitalglarus/login/validate/{slug}',
+                        }
+
+STRIPE_API_PRIVATE_KEY = env('STRIPE_API_PRIVATE_KEY')
+STRIPE_API_PUBLIC_KEY = env('STRIPE_API_PUBLIC_KEY')
 
 DEBUG = True
 
@@ -461,5 +461,3 @@ if DEBUG:
     from .local import *
 else:
     from .prod import *
-#dont migrate test
-# SOUTH_TESTS_MIGRATE = False
diff --git a/dynamicweb/settings/prod.py b/dynamicweb/settings/prod.py
index 2577bfe5..1f21ca46 100644
--- a/dynamicweb/settings/prod.py
+++ b/dynamicweb/settings/prod.py
@@ -8,6 +8,8 @@ ADMINS = (
 
 MANAGERS = ADMINS
 
+REGISTRATION_MESSAGE['message'] = REGISTRATION_MESSAGE['message'].format(host='digitalglarus.ungleich.ch',slug='{slug}')
+
 ALLOWED_HOSTS = [
     ".ungleich.ch",
     "digital.glarus.ungleich.ch" ,
diff --git a/membership/models.py b/membership/models.py
index 75962660..d9861166 100644
--- a/membership/models.py
+++ b/membership/models.py
@@ -4,12 +4,12 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.contrib.auth.models import User, AbstractBaseUser, BaseUserManager, AbstractUser
 from django.contrib.auth.hashers import make_password
-from django.core.mail import send_mail
 from django.core.validators import RegexValidator
 from django.contrib.auth.models import User
 from django.contrib.sites.models import Site
 
 from utils.stripe_utils import StripeUtils
+from utils.mailer import DigitalGlarusRegistrationMailer
 
 REGISTRATION_MESSAGE = {'subject': "Validation mail",
                         'message': 'Please validate Your account under this link http://localhost:8000/en-us/digitalglarus/login/validate/{}',
@@ -72,9 +72,8 @@ class CustomUser(AbstractBaseUser):
         if not user:
             user = cls.objects.create_user(name=name, email=email, password=password)
             if user:
-                send_mail(REGISTRATION_MESSAGE['subject'],
-                          REGISTRATION_MESSAGE['message'].format(user.validation_slug),
-                          REGISTRATION_MESSAGE['from'], [user.email], fail_silently=False)
+                dg = DigitalGlarusRegistrationMailer(user.validation_slug)
+                dg.send_mail(to=user.email)
                 return user
             else:
                 return None
diff --git a/utils/mailer.py b/utils/mailer.py
new file mode 100644
index 00000000..a12ffba6
--- /dev/null
+++ b/utils/mailer.py
@@ -0,0 +1,52 @@
+import six
+from django.core.mail import send_mail
+
+from django.conf import settings
+
+
+class BaseMailer(object):
+    def __init__(self):
+        self._slug = None
+        self.no_replay_mail = 'no-replay@ungleich.ch'
+
+        if not hasattr(self, '_to'):
+            self._to = None
+
+    @property
+    def slug(self):
+        return self._slug
+
+    @slug.setter
+    def slug(self, val):
+        assert isinstance(val, six.string_types), "slug is not string: %r" % val
+        self._slug = val
+
+    @property
+    def registration(self):
+        return self.message
+
+    @registration.setter
+    def registration(self, val):
+        msg = "registration is not dict with fields subject,message"
+        assert type(val) is dict, msg
+        assert val.get('subject') and val.get('message'), msg
+        self._message, self._subject, self._from = (
+            val.get('message'), val.get('subject'), val.get('from'))
+        assert isinstance(self.slug, six.string_types), 'slug not set'
+
+    def send_mail(self, to=None):
+        if not to:
+            to = self._to
+        if not self.message:
+            raise NotImplementedError
+        send_mail(self._subject, self._message, self.no_replay_mail, [to])
+
+
+class DigitalGlarusRegistrationMailer(BaseMailer):
+    message = settings.REGISTRATION_MESSAGE
+
+    def __init__(self, slug):
+        self.slug = slug
+        self.registration = self.message
+        self._message = self._message.format(slug=self._slug)
+        super().__init__()
diff --git a/utils/stripe_utils.py b/utils/stripe_utils.py
index ce14d417..fb0a328e 100644
--- a/utils/stripe_utils.py
+++ b/utils/stripe_utils.py
@@ -1,6 +1,5 @@
 import stripe
 from django.conf import settings
-
 stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
 
 
@@ -122,3 +121,6 @@ class StripeUtils(object):
             name=name,
             currency=self.CURRENCY,
             id=id)
+
+
+