diff --git a/lib/Listeners/UserEventListener.php b/lib/Listeners/UserEventListener.php
new file mode 100644
index 0000000..c657859
--- /dev/null
+++ b/lib/Listeners/UserEventListener.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ProviderImap\Listeners;
+
+use KTXC\User\Event\UserCreatedEvent;
+use KTXC\User\Event\UserDeletingEvent;
+use KTXM\ProviderImap\Stores\MessageStore;
+use KTXM\ProviderImap\Stores\ServiceStore;
+
+final class UserEventListener
+{
+    public function __construct(
+        private readonly ServiceStore $serviceStore,
+        private readonly MessageStore $messageStore,
+    ) {
+    }
+
+    public function onUserCreated(UserCreatedEvent $event): void
+    {
+        // TODO: implement provisioning configuration
+    }
+
+    public function onUserDeleting(UserDeletingEvent $event): void
+    {
+        $tenantId = $event->tenantIdentifier();
+        $userId = $event->userIdentifier();
+
+        foreach (array_keys($this->serviceStore->list($tenantId, $userId)) as $serviceId) {
+            $this->messageStore->deleteByServiceId((string) $serviceId);
+        }
+
+        $this->serviceStore->deleteByUser($tenantId, $userId);
+    }
+}
diff --git a/lib/Module.php b/lib/Module.php
index 7384e1a..521d84b 100644
--- a/lib/Module.php
+++ b/lib/Module.php
@@ -10,6 +10,10 @@ declare(strict_types=1);
 namespace KTXM\ProviderImap;
 
 use KTXC\Resource\ProviderManager;
+use KTXC\User\Event\UserCreatedEvent;
+use KTXC\User\Event\UserDeletingEvent;
+use KTXF\Event\DeliveryMode;
+use KTXF\Event\EventListenerRegistrarInterface;
 use KTXF\Module\ModuleBrowserInterface;
 use KTXF\Module\ModuleConsoleInterface;
 use KTXF\Module\ModuleInstanceAbstract;
@@ -18,6 +22,7 @@ use KTXM\ProviderImap\Console\ConnectCommand;
 use KTXM\ProviderImap\Console\DiscoverCommand;
 use KTXM\ProviderImap\Console\DisconnectCommand;
 use KTXM\ProviderImap\Console\TestCommand;
+use KTXM\ProviderImap\Listeners\UserEventListener;
 use KTXM\ProviderImap\Providers\Provider as MailProvider;
 
 /**
@@ -29,6 +34,7 @@ class Module extends ModuleInstanceAbstract implements ModuleConsoleInterface, M
 {
     public function __construct(
         private readonly ProviderManager $providerManager,
+        private readonly EventListenerRegistrarInterface $events,
     ) {}
 
     public function handle(): string
@@ -69,6 +75,10 @@ class Module extends ModuleInstanceAbstract implements ModuleConsoleInterface, M
 
     public function boot(): void
     {
+        // Register listeners
+        $this->events->listen($this->handle(), UserCreatedEvent::class, UserEventListener::class, 'onUserCreated', DeliveryMode::Deferred);
+        $this->events->listen($this->handle(), UserDeletingEvent::class, UserEventListener::class, 'onUserDeleting', DeliveryMode::Deferred);
+        // Register providers
         $this->providerManager->register(ProviderInterface::TYPE_MAIL, 'imap', MailProvider::class);
     }
 
diff --git a/lib/Stores/ServiceStore.php b/lib/Stores/ServiceStore.php
index 7c75027..6350cef 100644
--- a/lib/Stores/ServiceStore.php
+++ b/lib/Stores/ServiceStore.php
@@ -177,4 +177,15 @@ class ServiceStore
         return $result->getDeletedCount() > 0;
     }
 
+    /**
+     * Delete every service owned by a user.
+     */
+    public function deleteByUser(string $tenantId, string $userId): void
+    {
+        $this->dataStore->selectCollection(self::COLLECTION_NAME)->deleteMany([
+            'tid' => $tenantId,
+            'uid' => $userId,
+        ]);
+    }
+
 }