在 node js 中使用 API 发送电子邮件-解网

问：

我一直在尝试创建一个 Web 应用程序，向其新订阅者发送欢迎电子邮件。一个多星期以来，我只遇到了一个问题，我的控制台没有显示任何输出，发送的电子邮件没有成功或失败。我已经检查了我的 API 代码，它运行良好，尝试了所有方法，但不知道为什么终端没有响应我在终端中尝试节点服务器.js，它说服务器在端口3000上运行，我通过浏览器导航到本地主机3000，并在输入电子邮件后尝试点击订阅，并且终端中没有更新

const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const axios = require('axios');

app.use(bodyParser.json());

app.get('/', (req, res) => {
  res.sendFile(__dirname + '/index.html');
});

// trying to create a server to send emails to users who click subscribe button

app.post('/send-welcome-email', async (req, res) => {
    const { email } = req.body;

    const emailData = {
        From: '[email protected]',
        To: email,
        Subject: 'Welcome to DevLink',
        HtmlBody: '<html><head></head><body><p>Welcome to DevLink, thanks for jooining our platform!</p></body></html>'
    };

    try {
        const response = await axios.post('https://api.postmarkapp.com/email', emailData, {
            headers: {
                'Authorization': `MY_API_TOKEN`,
                'Accept': 'application/json',
                'content-type': 'application/json'
            }
        });
        res.status(200).send('Email sent');
    } catch (error) {
        console.error(error);
        res.status(500).send('Something went wrong');
    }
});

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => console.log(`Server running on port ${PORT}`));

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    margin-top: 50px;
  }
  
  h1 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  
  form {
    display: flex;
    flex-direction: column;
  }
  
  label {
    font-size: 16px;
    margin-bottom: 5px;
  }
  
  input[type="email"] {
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  button {
    background-color: #007bff;
    color: #ffffff;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" href="style.css">
  <title>DevLink Subscription</title>
</head>
<body>
  <div class="container">
    <h1>Signup for our daily insider</h1>
    <form id="subscription-form">
      <label for="email">Enter your email:</label>
      <input type="email" id="email" name="email" required>
      <button type="submit">Subscribe</button>
    </form>
  </div>
  <script src="script.js"></script>
</body>
</html>

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