diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 908c3b1d79..3a7dc80306 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -167,7 +167,8 @@ public function register(IRegistrationContext $context): void {
 		}
 
 		// Added in version 4.0.0
-		$context->registerMailProvider(MailProvider::class);
+		// Disabled in v4.1.0 due to stability concerns
+		//$context->registerMailProvider(MailProvider::class);
 
 		$context->registerNotifierService(Notifier::class);