v0.0.2

src/routes/mod.rs

@@ -494,6 +494,9 @@ pub fn create_router(
     // RustBox serves API and UI from the same Rust process.
     let inner = Router::new()
         .nest("/api", api_router)
+        // An explicit index route is required for the root of a nested base path
+        // (for example `/mail/`). The fallback still handles SPA deep links.
+        .route("/", get(crate::ui::serve_ui))
         .fallback(crate::ui::serve_ui);
 
     // Use the same base path for routing and authentication cookies.