registration: add a note about spams (#27097)

src/authentic2/templates/registration/registration_complete.html

@@ -6,19 +6,36 @@
 {% endblock %}
 
 {% block content %}
+  {% block instructions %}
   {% blocktrans with email=request.session.registered_email %}
     <p>An email was sent to {{ email }}.</p>
   {% endblocktrans %}
   {% if account_activation_days > 1 %}
   {% blocktrans %}
-    <p>Follow instruction in this email to continue your registration, this
+    <p>Follow the instructions in this email to continue your registration, this
     email will be valid during {{account_activation_days}} days.</p>
   {% endblocktrans %}
   {% else %}
   {% blocktrans %}
-    <p>Follow instruction in this email to continue your registration, this
+    <p>Follow the instructions in this email to continue your registration, this
     email will be valid during 24 hours.</p>
   {% endblocktrans %}
   {% endif %}
+  {% endblock %}
+  {% block advice %}
+    {% blocktrans with from_email=from_email %}
+    <p>To be sure to receive this email we recommend you to add the
+    {{ from_email }} email address to your addressbook or list of authorised senders
+    otherwise the message may end up in your spam folder.</p>
+    {% endblocktrans %}
+    {% blocktrans with from_email=from_email %}
+    <p>If you cannot find the email you should check your spam folder and if
+    you find it there you should mark it as "non-spam" and add the {{from_email }}
+    address to your addressbook, this should prevent further emails to be
+    sorted as spams.</p>
+    {% endblocktrans %}
+  {% endblock %}
+  {% block back %}
   <p><a href="{{ next_url }}">{% trans "Back" %}</a></p>
+  {% endblock %}
 {% endblock %}

src/authentic2/views.py

@@ -1124,6 +1124,7 @@ class RegistrationCompleteView(TemplateView):
 
     def get_context_data(self, **kwargs):
         kwargs['next_url'] = utils.select_next_url(self.request, settings.LOGIN_REDIRECT_URL)
+        kwargs['from_email'] = settings.DEFAULT_FROM_EMAIL
         return super(RegistrationCompleteView, self).get_context_data(
             account_activation_days=settings.ACCOUNT_ACTIVATION_DAYS,
             **kwargs)

tests/test_registration.py

@@ -54,6 +54,8 @@ def test_registration(app, db, settings, mailoutbox, external_redirect):
 
     assert '2 days' in response.text
     assert 'testbot@entrouvert.com' in response.text
+    assert 'spam folder' in response.text
+    assert settings.DEFAULT_FROM_EMAIL in response.text
     assert len(mailoutbox) == 1
 
     link = get_link_from_mail(mailoutbox[0])