update post_save hook

modoboa/admin/handlers.py

@@ -1,5 +1,6 @@
 """Django signal handlers for admin."""
 
+from django.core import management
 from django.db.models import signals
 from django.dispatch import receiver
 
@@ -7,9 +8,14 @@ from . import models
 
 
 @receiver(signals.post_save, sender=models.Domain)
-def update_domain_mailboxes(sender, instance, **kwargs):
-    """Update associated mailboxes."""
+def update_domain_mxs_and_mailboxes(sender, instance, **kwargs):
+    """Update associated MXs and mailboxes."""
     if kwargs.get("created"):
+        management.call_command(
+                'modo', 'check_mx',
+                domain=[instance],
+                skip_admin_emails=True,
+                )
         return
     instance.mailbox_set.filter(use_domain_quota=True).update(
         quota=instance.quota)

modoboa/admin/management/commands/subcommands/_mx.py

@@ -83,7 +83,8 @@ class CheckMXRecords(BaseCommand):
         models.MXRecord.objects.filter(domain=domain).delete()
         try:
             answers = dns.resolver.query(domain.name, "MX")
-        except (dns.resolver.NoAnswer, dns.resolver.NXDOMAIN):
+        except (dns.resolver.NoAnswer, dns.resolver.NXDOMAIN,
+                dns.resolver.NoNameservers):
             raise StopIteration()
 
         delta = timedelta(seconds=ttl)
@@ -243,7 +244,9 @@ class CheckMXRecords(BaseCommand):
         if options['domain']:
             domains = []
             for domain in options['domain']:
-                if domain.isdigit():
+                if isinstance(domain, models.Domain):
+                    domains.append(domain)
+                elif domain.isdigit():
                     domains.append(models.Domain.objects.get(domain))
                 else:
                     domains.append(models.Domain.objects.filter(name=domain))

modoboa/admin/tests/test_mx.py

@@ -21,6 +21,7 @@ class MXTestCase(ModoTestCase):
         cls.domain = factories.DomainFactory(name="modoboa.org")
         factories.DomainFactory(name="pouet.com")  # should not exist
         parameters.save_admin('VALID_MXS', '127.0.0.1', app='admin')
+        models.MXRecord.objects.all().delete()
 
     def test_management_command(self):
         """Check that command works fine."""
@@ -53,6 +54,7 @@ class DNSBLTestCase(ModoTestCase):
         super(DNSBLTestCase, cls).setUpTestData()
         cls.domain = factories.DomainFactory(name="modoboa.org")
         factories.DomainFactory(name="pouet.com")  # should not exist
+        models.DNSBLResult.objects.all().delete()
 
     @override_settings(DNSBL_PROVIDERS=["zen.spamhaus.org"])
     def test_management_command(self):