白嫖Cloudflare无限多企业邮箱，可收发邮件，详细教程

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45

Mark

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46

蛙趣，爬爬虾！

6 个赞
47

感动的教程！！

2 个赞
48

找claude糊了一个简单的发邮件页面，可以放到cloudflare的pages
lgeger/sendemail (github.com)

5 个赞
49

感谢分享

1 个赞
50

我还关注你抖音了

1 个赞
51

原来还能实现发邮件啊

5 个赞
52

这个汇总不错, 里面有一些曾经用过

1 个赞
53

mk

5 个赞
54

之前我也是用的cf，现在换成Fastmail了，可以收发邮件，除了收费别的都还不错。

2 个赞
55

感谢分享

3 个赞
56

好东西感谢分享

5 个赞
57

UI+邮件可添加附件，复制粘贴部署到worker,有需要拿去用，提供了简单的UI，可自行找GPT美化下。
配置两个环境变量:MY_REND_API_KEY=re_PmasB2d******
用于验证发件人密钥：SECRET_API_KEY=666666

280a963f5cabf06d8be67cf45f12f90
280a963f5cabf06d8be67cf45f12f90808×716 15.2 KB

------感谢楼主提供的完美教程------

worker.js

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request));
});

async function handleRequest(request) {
  const url = new URL(request.url);

  if (request.method === 'POST' && url.pathname === '/send') {
    return handleSendEmail(request);
  } else if (request.method === 'GET' && url.pathname === '/') {
    return new Response(generateHTML(), {
      headers: { 'Content-Type': 'text/html' }
    });
  }

  return new Response('Invalid request method or path.', { status: 405 });
}

async function handleSendEmail(request) {
  try {
    const formData = await request.formData();
    const providedApiKey = formData.get('secret_key');

    if (providedApiKey !== SECRET_API_KEY) {
      return new Response('Unauthorized', { status: 401 });
    }

    const sender = formData.get('from');
    const recipient = formData.get('to');
    const subject = formData.get('subject');
    const content = formData.get('content');
    const file = formData.get('attachment');

    const emailParams = {
      from: sender,
      to: [recipient],
      subject: subject,
      html: content
    };

    if (file && file.size > 0) {
      // 限制文件大小为 50MB
      const maxSize = 50 * 1024 * 1024; // 50MB in bytes
      if (file.size > maxSize) {
        return new Response('File size exceeds the 50MB limit.', { status: 400 });
      }

      // 使用 ReadableStream 来处理文件
      const fileStream = file.stream();
      const reader = fileStream.getReader();
      let chunks = [];
      let bytesRead = 0;

      while (true) {
        const { done, value } = await reader.read();
        if (done) break;
        chunks.push(value);
        bytesRead += value.length;
        
        // 每读取 5MB 数据就让出控制权，避免阻塞太长时间
        if (bytesRead % (5 * 1024 * 1024) === 0) {
          await new Promise(resolve => setTimeout(resolve, 0));
        }
      }

      const fileContent = new Uint8Array(bytesRead);
      let offset = 0;
      for (const chunk of chunks) {
        fileContent.set(chunk, offset);
        offset += chunk.length;
      }

      emailParams.attachments = [
        {
          filename: file.name,
          content: arrayBufferToBase64(fileContent),
          type: file.type
        }
      ];
    }

    const response = await fetch('https://api.resend.com/emails', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${MY_REND_API_KEY}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify(emailParams)
    });

    if (response.ok) {
      return new Response('Email sent successfully!', { status: 200 });
    } else {
      const errorText = await response.text();
      return new Response(`Failed to send email: ${errorText}`, { status: 500 });
    }
  } catch (error) {
    return new Response(`Error processing request: ${error.message}`, { status: 500 });
  }
}

// Helper function to convert ArrayBuffer to Base64
function arrayBufferToBase64(buffer) {
  const bytes = new Uint8Array(buffer);
  const len = bytes.byteLength;
  let binary = '';
  for (let i = 0; i < len; i++) {
    binary += String.fromCharCode(bytes[i]);
  }
  return btoa(binary);
}

function generateHTML() {
  return `
  <!DOCTYPE html>
  <html lang="zh-CN">
  <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>发送邮件（可选附件，最大50MB）</title>
      <style>
          body {
              font-family: Arial, sans-serif;
              background-color: #f4f4f4;
              padding: 20px;
              max-width: 600px;
              margin: auto;
          }
          form {
              background: #fff;
              padding: 20px;
              border-radius: 5px;
              box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
          }
          input, textarea {
              width: 100%;
              padding: 10px;
              margin: 10px 0;
              border-radius: 5px;
              border: 1px solid #ccc;
          }
          button {
              padding: 10px 20px;
              background-color: #28a745;
              border: none;
              border-radius: 5px;
              color: #fff;
              cursor: pointer;
          }
          button:hover {
              background-color: #218838;
          }
          .progress {
              width: 100%;
              background-color: #f4f4f4;
              border-radius: 5px;
              overflow: hidden;
              margin-top: 10px;
              display: none;
          }
          .progress-bar {
              height: 20px;
              background-color: #28a745;
              width: 0;
              transition: width 0.4s;
          }
          .progress-text {
              text-align: center;
              margin-top: 10px;
              font-size: 14px;
              color: #666;
          }
      </style>
  </head>
  <body>
      <h2>发送邮件（可选附件，最大50MB）</h2>
      <form id="emailForm" action="/send" method="POST" enctype="multipart/form-data">
          <label for="secret_key">密钥:</label>
          <input type="password" id="secret_key" name="secret_key" required>

          <label for="from">发件人:</label>
          <input type="email" id="from" name="from" required>

          <label for="to">收件人:</label>
          <input type="email" id="to" name="to" required>

          <label for="subject">主题:</label>
          <input type="text" id="subject" name="subject" required>

          <label for="content">内容:</label>
          <textarea id="content" name="content" rows="6" required></textarea>

          <label for="attachment">附件 (可选，最大50MB):</label>
          <input type="file" id="attachment" name="attachment">

          <button type="submit">发送邮件</button>
      </form>
      <div class="progress">
          <div class="progress-bar" id="progress-bar"></div>
      </div>
      <div class="progress-text" id="progress-text"></div>

      <script>
          const form = document.getElementById('emailForm');
          const progressBar = document.getElementById('progress-bar');
          const progressText = document.getElementById('progress-text');
          const progressDiv = document.querySelector('.progress');
          const attachmentInput = document.getElementById('attachment');

          attachmentInput.addEventListener('change', function(event) {
              const file = event.target.files[0];
              if (file && file.size > 50 * 1024 * 1024) {
                  alert('文件大小超过50MB限制，请选择较小的文件。');
                  event.target.value = '';
              }
          });

          form.addEventListener('submit', function(event) {
              event.preventDefault();

              const formData = new FormData(form);
              const xhr = new XMLHttpRequest();
              xhr.open('POST', '/send', true);

              progressDiv.style.display = 'block';
              progressText.textContent = '准备发送...';

              xhr.upload.onprogress = function(e) {
                  if (e.lengthComputable) {
                      const percentComplete = (e.loaded / e.total) * 100;
                      progressBar.style.width = percentComplete + '%';
                      progressText.textContent = \`上传中... (\${Math.round(percentComplete)}%)\`;
                  }
              };

              xhr.onload = function() {
                  if (xhr.status === 200) {
                      progressText.textContent = '邮件发送成功！';
                  } else {
                      progressText.textContent = '发送邮件失败：' + xhr.responseText;
                  }
              };

              xhr.onerror = function() {
                  progressText.textContent = '发送请求时出错。请检查网络连接并重试。';
              };

              xhr.send(formData);
          });
      </script>
  </body>
  </html>
  `;
}
6 个赞
58

感谢分享，已收藏

14 个赞
59

不能直接用google的邮箱来回复或者发送邮件吗？用这个resend的api

4 个赞
60

有教程，网上搜索一下。我设置过，但回复，直接进垃圾桶了。

61

那好像没用啊，进入垃圾桶的话就没意义了，回复等于没回复了

62

感谢分享，正好用得到

63

感谢分享。

貌似没法无限多企业邮箱吧，只能一个域名一个企业邮箱吧。一个域名下不同的用户名恐怕不会被视为不同的企业邮箱？