diff --git a/README.md b/README.md
index ab307fb..97c5aef 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,14 @@
 <p align="center">
 <strong><a href="https://github.com/leafac/www.kill-the-newsletter.com">Source</a></strong> • <img alt=".github/workflows/main.yml" src="https://github.com/leafac/www.kill-the-newsletter.com/workflows/.github/workflows/main.yml/badge.svg" />
 </p>
+
+# Running Locally
+
+Install [Node.js](https://nodejs.org/) and run:
+
+```console
+$ npm install
+$ npm develop
+```
+
+The web server will be running at `http://localhost:8000` and the email server at `smtp://localhost:2525`.
diff --git a/src/test.ts b/src/test.ts
index 2c91b6d..3960b8c 100644
--- a/src/test.ts
+++ b/src/test.ts
@@ -1,5 +1,5 @@
 import { webServer, emailServer, feedPath, feedEmail } from ".";
-import { createTransport } from "nodemailer";
+import nodemailer from "nodemailer";
 import fetch from "node-fetch";
 import fs from "fs";
 
@@ -10,7 +10,7 @@ test("create feed", async () => {
 });
 
 describe("receive email", () => {
-  const transporter = createTransport({
+  const transporter = nodemailer.createTransport({
     host: "localhost",
     port: 2525,
     tls: { rejectUnauthorized: false }