diff --git a/modoboa/admin/management/commands/subcommands/_manage_dkim_keys.py b/modoboa/admin/management/commands/subcommands/_manage_dkim_keys.py
index f1e707f5e..c7002c2c0 100644
--- a/modoboa/admin/management/commands/subcommands/_manage_dkim_keys.py
+++ b/modoboa/admin/management/commands/subcommands/_manage_dkim_keys.py
@@ -11,7 +11,9 @@ from django.utils.encoding import smart_text
 
 from modoboa.lib import sysutils
 from modoboa.parameters import tools as param_tools
+
 from .... import models
+from .... import signals
 
 
 class ManageDKIMKeys(BaseCommand):
@@ -51,3 +53,5 @@ class ManageDKIMKeys(BaseCommand):
             enable_dkim=True, dkim_private_key_path="")
         for domain in qset:
             self.create_new_dkim_key(domain)
+        if qset.exists():
+            signals.new_dkim_keys.send(sender=self.__class__, domains=qset)
diff --git a/modoboa/admin/signals.py b/modoboa/admin/signals.py
index 6bcc856c2..b085d7807 100644
--- a/modoboa/admin/signals.py
+++ b/modoboa/admin/signals.py
@@ -32,3 +32,4 @@ get_domain_form_instances = django.dispatch.Signal(
 # get_domain_tags = django.dispatch.Signal(providing_args=["domain"])
 import_object = django.dispatch.Signal(providing_args=["objtype"])
 use_external_recipients = django.dispatch.Signal(providing_args=["recipients"])
+new_dkim_keys = django.dispatch.Signal(providing_args=["domains"])