Add a status field to the domain list

core/admin/mailu/models.py

@@ -135,6 +135,16 @@ class Domain(Base):
         else:
             return False
 
+    def check_mx(self):
+        try:
+            hostnames = app.config['HOSTNAMES'].split(',')
+            return any(
+                str(rset).split()[-1][:-1] in hostnames
+                for rset in dns.resolver.query(self.name, 'MX')
+            )
+        except Exception as e:
+            return False
+
     def __str__(self):
         return self.name
 

core/admin/mailu/ui/templates/domain/list.html

@@ -18,6 +18,7 @@
   <th>{% trans %}Domain name{% endtrans %}</th>
   <th>{% trans %}Mailbox count{% endtrans %}</th>
   <th>{% trans %}Alias count{% endtrans %}</th>
+  <th>{% trans %}Status{% endtrans %}</th>
   <th>{% trans %}Comment{% endtrans %}</th>
   <th>{% trans %}Created{% endtrans %}</th>
   <th>{% trans %}Last edit{% endtrans %}</th>
@@ -42,6 +43,7 @@
   <td>{{ domain.name }}</td>
   <td>{{ domain.users | count }} / {{ domain.max_users or '∞' }}</td>
   <td>{{ domain.aliases | count }} / {{ domain.max_aliases or '∞' }}</td>
+  <td>{{ 'ok' if domain.check_mx() else 'MX error' }}</td>
   <td>{{ domain.comment or '' }}</td>
   <td>{{ domain.created_at }}</td>
   <td>{{ domain.updated_at or '' }}</td>

core/admin/mailu/ui/views/domains.py

@@ -90,23 +90,15 @@ def domain_signup(domain_name=None):
         conflicting_domain = models.Domain.query.get(form.name.data)
         conflicting_alternative = models.Alternative.query.get(form.name.data)
         conflicting_relay = models.Relay.query.get(form.name.data)
-        hostnames = app.config['HOSTNAMES'].split(',')
         if conflicting_domain or conflicting_alternative or conflicting_relay:
             flask.flash('Domain %s is already used' % form.name.data, 'error')
         else:
-            # Check if the domain MX actually points to this server
-            try:
-                mxok = any(str(rset).split()[-1][:-1] in hostnames
-                           for rset in dns.resolver.query(form.name.data, 'MX'))
-            except Exception as e:
-                mxok = False
-            if mxok:
-                # Actually create the domain
             domain = models.Domain()
             form.populate_obj(domain)
             domain.max_quota_bytes = app.config['DEFAULT_QUOTA']
             domain.max_users = 10
             domain.max_aliases = 10
+            if domain.check_mx():
                 db.session.add(domain)
                 if flask_login.current_user.is_authenticated:
                     user = models.User.query.get(flask_login.current_user.email)