we add a verification that the email is already configured to avoid an error while creating a user and sending a confirmation email

app/authentification/templates/email_not_set.html

@@ -0,0 +1,12 @@
+{% extends "base_auth.html" %}
+
+{% block content_auth %}
+<div class="card-content">
+  <p>
+    The webmaster hasn't set up any emails yet, so we can't send you any link confirmation
+  </p>
+  <p>
+    Please contact the admin to learn more
+  </p>
+</div>
+{% endblock %}

app/authentification/views.py

@@ -26,6 +26,9 @@ class SignupView(TemplateView):
         if not bool(settings.ALLOW_SIGNUP):
             return redirect('signup')
 
+        if not hasattr(settings, "EMAIL_BACKEND") or not hasattr(settings, "EMAIL_HOST"):
+            return render(request, 'email_not_set.html')
+
         if form.is_valid():
             user = form.save(commit=False)
             user.is_active = False